Review for Final 7

If x = 2 and y = 3, what is the value of 3xy³?

• 5832

• 54

• 162

• 27

Solve the equation. Check your solution.

• 24
• ¹⁴⁷/₈ or 18 ³/₈
• 168
• -24

Which equation has x=9 as a solution

• 4 + x = 12
• 5x = 45
• 2x = 20
• x + 7 = 26

Solve the equation. Check your answer.
-2.5b = 20.5 

• 8.2
• -0.12
• 0.12
• -8.2

Write an equation models the following statement:
 17 less than h equals 42

• 17-h=42

• h-17=42

• h+17=42

• 17+h=42

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

You're throwing a party, and you ordered 15 pizzas for your guests. Your total came to $97.50. What was your unit cost per pizza?

• $4.95 per pizza

• $5.75 per pizza

• $6.50 per pizza

What is the unit rate in miles per hour?

• 60 miles per hour

• 120 miles per hours

• 1 mile per hour

• 180 miles per hours

It snowed 14 inches in 5 hours. What is the unit rate?

• 3 inches

• 2.8 inches

• 5 inches

A pump moves 42 gallons in 7 minutes. Find the unit rate.

• 5

• 6

• 7

• 8