Quiz - Equations

A gym holds one 60-minute exercise class on Saturdays and several 45-minute classes during the week. Last week all of the classes lasted a total of 285 minutes. Write an equation you can use to find the number of weekday classes.

• 45c + 60 = 285
• 60c + 45 = 285
• 60 - 45c = 285
• 285 - 60c = 285

Heather has $500 in her savings account. She withdraws $20 per week for gas. Write an equation Heather can use to see how many weeks it will take for her to have a balance of $220.

• 500 + 20w = 220
• 500 - 20 = 220w
• 500 - 20w = 220
• 500w - 20 = 220

Solve for x:
2x + 5 = 11

• x = 2
• x = 3
• x = 5
• x = -1

Solve for n:
3n - 1 = 8

• n = 5
• n = 2
• n = 4
• n = 3

Carlene has $300 in her wallet but she doesn't realize that she has a hole in her wallet! Every step she takes, she loses $5. Write an equation to find how many steps it will take before she has $150 left in her pocket.

• 300 - 5s = 150
• 300 - 150s = 5
• 150 + 5 = 300s
• 100 + 5s = 300

Tina's Tops is a new store that prints personalized t-shirts. She charges a $12 one-time fee for the design and $4 for each shirt. How many shirts can I get for $92?

• 20 shirts
• 23 shirts
• 7 shirts
• 88 shirts