Equation word problems 9.3

Calleb is cooking muffins. The recipe calls for 7 cups of sugar. He has already put in 2 cups. How many more cups does he need?

Which equation correctly represents this scenario:

Apples cost $2 per pound. How many pounds of apples can you buy for $20?

Which equation matches this scenario:

How many packages of diapers can you buy with $40 if one package costs $8?

What is the correct answer?

Annabel was running in the Fun Run to raise money for her school. Her parents donated $8 per lap. Her grandparents donated $4 per lap. She ran 12 laps. How much money did she raise during the Fun Run?

• 48

• 96

• 144

Scott works on cars. He charges $35 for each car plus $7 per hour. Write an equation that represents this scenario if Kylie's car bill was $63.

• 7x + 35 = 63
• 7x = 63
• 7x - 35 = 63
• 35x + 7 = 63

Michelle is a server in a restaurant. On a weekend night, Michelle earned $4 an hour and $65 in tips. She made a total of $93. Choose the equation to find how many hours she worked

• 4h + 93 = 65

• 4h + 65 = 93

• 7h + 65 = 93

Solve the equation.

2x + 5 = 21

• x = 13

• x = 5

• x = 8

• x =  7

Solve the equation.

-3x - 2 = -17

• x = 5

• x = -5

• x = 4

• x =  -6