Equations & Interest Review

Solve for the variable.

• -1

• 1

• -5

• 5

John deposits $5,000 into each savings account.

- Savings Account 1 earns 3.5% simple interest

-Savings account 2 earns 3.5% compound interest

John does not make any additional deposits or withdrawals. What is the sum of the balances of both savings accounts at the end of 5 years?

• $11,813.40

• $5,938.43

• $5,875.00

• $11,750.00

Tags

CCSS.HSF.BF.A.2

Ms. Hernandez is taking her children and their friends to the movies. She will pay $10 for her adult ticket and $7 for each child ticket. Ms. Hernandez does not want to spend more than $40. Which inequality can be used to find c, the number of child tickets Ms. Hernandez can purchase?

• 7 + 10c > 40

• 10c – 7 ≤ 40

• 10 + 7c > 40

• 10 + 7c ≤ 40

Tags

CCSS.7.EE.B.4B

If the perimeter of the rectangle is 118 units, then what is the value of x?

• x = 9

• x = 13

• x = 18

• x = 21

Tags

CCSS.7.EE.B.4A

Jay'den earned $475 from mowing lawns last summer. He deposited this money in an account that pays an interest rate of 3.8% compounded annually. What will be his balance after 15 year?

• $827.52
• $831.10
• $839.45
• $846.80

x + 7 = x + 6

• No solution

• All Real Numbers

• One solution of x = 1

• Two solutions of x = 1 or -1

Tags

CCSS.8.EE.C.7A

A courier service charges a $5 pickup fee, plus $0.15 per mile. The total charge to deliver a package was $7.85. How many miles did the courier service travel to deliver the package?

• 52 miles

• 19 miles

• 85 miles

• 33 miles

Tags

CCSS.7.EE.B.4A

Which inequality matches this situation:
You must be at least 18 years old to vote

• x > 18
• x < 18
• x ≤ 18
• x ≥ 18

Tags

CCSS.6.EE.B.8

Joe invests $3,000, at 4% simple interest for 2 years. Ben invests $3,000 at 4% compounded annually for 2 years. Which statement is true about the balances in the accounts of the two investments?

• Joe and Ben will have the same balance at the end of 2 years.

• Ben's balance will be $4.80 more than Joe's balance.

• Ben's balance will be $5.80 more than Joe's balance

• Ben's balance will be $4.80 less than Joe's balance.

Emilia needs at least $240 to buy new headphones. She has already saved $30. She earns $14 per car that she washes.

What is the least number of cars she can wash to buy the headphones?

Write the inequality to the problem.

• 14x+30 ≥ 240

• 14x+30 ≤ 240

• 30x+14 ≥ 240

• 30x+14 ≤ 240

Tags

CCSS.7.EE.B.4B