Word Problems Prac 1

Lily has 3 less than 4 times the amount of t-shirts as Bree. If BREE has 33 t-shirts, how many does Lily have? WHAT IS THE EQUATION???

• 3-4X=33

• 4X-3=33

Lily has 3 less than 4 times the amount of t-shirts as Bree. If BREE has 33 t-shirts, how many does Lily have? SOLVE: 4x-3=33

• 9 t-shirts

• 11 t-shirts

• 7.5 t-shirts

2 times a number increased by 10 is 24. Find the number. WHAT IS THE EQUATION???

• 2x+8=30

• 8-2x=30

2 times a number increased by 10 is 24. Find the number. SOLVE: 2x+10=24

• x=17

• x=7

• x=2

Mary earns $14 per hour. Which equation represents how many hours she worked to earn $112? 

• 14h = 112
• 14 / h = 112
• h + 14 = 112
• h - 14 = 112

Joey and four of his friends went out to eat. They decided to split the bill evenly. Each person paid $11.13. What was the total bill? Write an equation you could use to solve this equation. Use d as your variable.

• d/4=$11.13
• 4d=$11.13
• d/5=$11.13
• 5d=$11.13

Which equation would describe "two times a number plus five equals 15"?

• x + 5 = 15
• 2x + 5=15
• x + 2(5) = 15
• 2(x + 5) = 15

What is the first step in solving this equation:
5x + 7 = 12

• Divide by 5
• Subtract 5
• Multiply by 7
• Subtract 7

If twice a number is subtracted from 30, the result is 18. Write an equation to represent this situation.

• 30 - 2x = 15

• 30 - 2x = 25

• 30 - 2x = 20

• 30 - 2x = 18

Three times a number is 21 more than the number. Write an equation to represent this situation.

• 3x = x / 21

• 3x = x - 21

• 3x = x * 21

• 3x = x + 21