Andre came up with the following puzzle. “I am three years younger than my brother, and I am 2 years older than my sister. My mom's age is one less than three times my brother's age. When you add all our ages, you get 87. What are our ages?”

Jada writes this equation for the sum of the ages:

(x) + (x + 3) + (x - 2) + 3(x + 3) - 1 = 87

Match the meaning to each term of the equation.


x

x + 3

(x - 2)

3(x + 3) - 1

87

Answer:

x = 13

Andre is 13, Andre's brother is 16, Andre's sister is 11, Andre's mom is 47

Answer:

x = 13

Andre is 13

Brother is 16

Sister is 11

Mom is 47

All together they are 87!

Step-by-step explanation:

x + x + 3 + x - 2 + 3x + 9 - 1 = 87

6x + 9 = 87

6x = 87 - 9

6x = 78

x = 78/6

x = 13

Write an equation that represents either situation. Use p for ounces of popcorn and c for cost in dollars. Remember equations for proportional relationships are written in the form y=kx.


Must be a number???- idek anymore this makes no sense to me why it would need to be a number :,)

At the end of October 2018 your balance is $74.25. Use your knowledge of rational numbers to summarize (tell a story) what happened to your account balance from the end of September to the end of October using a minimum of five transactions.

2/7 x (-3/4)= x

What is the x?

HELP QUICK EDGINUITY 10 POINTS! I WILL MARK BRAINLIEST IF YOU ARE RIGHT!

Darryl has a written 60%, or 12 pages of his history report. Darryl wants to figure out how many Pages he needs to Write.
Darryls work Is shown below.

Step one: write 60% as a ratio. Part/whole = 60/100.

Step two: write an equivalent ratio using the number of PAges done so far. 60/100 = 12/?

Step three: rewrite as: 12 (100) divided by 60.

Step 4: 120÷60 = 2.

What mistake did Darryl make?

In step one, Darell should have written the radio as 100/60.

In step two, Darell should have put 12 in the denominator.

In step three, Darell should have multiplied to 60 and 100.

In step four, Darell multiplied 12 and 100 incorrectly

Lucy got 75% of the questions correct on her math test. If there were 24 questions, how many did Lucy get correct?

MARKING BRAINLIEST!
William joined Fitness Connection. He has to pay $390.00 total for the year . If he paid $30.00 down, how much does he pay each month. Write the equation and solve. let x represent the months.

The 25 students in Mr. Byers 6th grade class each donated $3.00 for Mr. Byers' end of year gift. When Julie went to purchase the gift, she added an extra $20.00. How much money was spent on Mr. Byers' gift?
A. $55
B. $65
C. $75
D. $95

Can you describe how to write 4,638,000,000 in scientific notation

Pythagorean theorem plz help

35.7÷11.4≈
(brainiest included for correct answer)(if not report)​

reduce -45/30 to the standard form​

Many credit card companies charge a compound interest rate of 1.8% per month on a credit card balance. Miriam owes $550 on a credit card. If she makes no purchases or payments, she will go more and more into debt.

Which of the following sequences describes her increasing monthly balance?


A. 550.00, 649.00, 765.82, 903.67, 1,066.33, ...

B. 550.00, 559.90, 569.80, 579.70, 589.60, ...

C. 550.00, 559.35, 568.86, 578.53, 588.36, ...

D. 550.00, 559.90, 569.98, 580.24, 590.68, ...

E. 550.00, 550.99, 551.98, 552.98, 553.97, ...


Please also explain how (steps) to get the answer, thank you!

DUE NOW!!!

Barry travels to see his parents in Ohio one weekend. His trip is 220 miles and he completed that in 4 hours. What is the unit rate, or how many miles did he travel in 1 hour, for Barry's trip to Ohio? (DOK 3)

In a department store, a $40 dress is marked, "Save 25%."

A. What is the sale price of the dress with your savings of 25%?

B. How much money did you save with 25% off

C. The sales tax rate in this state is 7%, what will be your total price?

Tania measured the growth of her plant each week. The first week, the plant's height measured 4.78 decimeters. During the second week, Tania's plant grew 0.7 decimeter.

How tall was Tania's plant at the end of the second week? Complete the description of the steps to solve the problem.

From rounding each number to the nearest whole number, an estimate of the sum is about (______)
decimeters. Then add 4.78 and 0.7. Write an equivalent decimal for 0.7 so the addends have the same number of decimal places. Add the hundredths, then the tenths. Regroup 10 tenths as 1 one, and add the ones. At the end of the second week, Tania's plant was
decimeters tall.

The answer is close to the estimate so the answer is (______)

Which expressions are equivalent to 23? Choose all that apply.
A. 207 ÷ 9
B. 345 ÷ 25
C. 644 ÷ 28
D. 1,012 ÷ 44
E. 1,380 ÷ 70

What’s your least favorite bank and provide 5 reasons.

pleaseee i need helpp xx

What is the answer to this problem?

Sheila walked 7.7 km to the library, if 1 mile = 1.6 km, about how many miles did she walk?

A.9
B.5
C.6
D.12


HELPP Plz

PLEASEEEE HELP!!!! ahhhhhhh

what is 79/40 - 162.5%

How many millimeters are in 3.2 centimeters?
.32
320
32 mm
3.2
22.
If there are 10 millimeters for every 1 centimeter, what fraction of a centimeter is a millimeter?
2.54
1/10
10
2.45

A car is 200 inches long. A truck is 50% longer than the car. How long is the truck?

A student spends the same amount each week for bus fare. In 6 weeks, he spends $81. Which equation shows this relationship? Let x = number of weeks.

y = 2.25x

y = 6x

y = 13.50x

y = 81x

If you were to go ahead and open an account with the bank you have chosen, what do you need to bring with you to successfully open an account today.

the parent’s height is 9 cm and the child’s height is 6 cm.
The child’s actual height is 1.3 m.
What is the actual height of the parent?

Select all that apply.

Which of the following ratios are equivalent?

Jess is painting his car. He’s created a purple color that uses red paint and blue paint in a ratio of 6:5. Jess uses 15 pints of blue paint. How many pints of paint does he use in total?

An ant colony has approximately 3 x 10^6 ants Which could be the actual number of ants in the colony? A. 3,106 B.29,069 C. 296,423 D. 3,059,101