Writing Equations (For Word Problems)

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

Tags

CCSS.HSA.CED.A.3

Natalie is a softball coach. She has a pitching private lesson with Kasey. Kasey's mom pays Natalie $11 per hour plus a $6 tip. Write an equation that represents this scenario if the total cost was $39.

• 11x + 6 = 39
• 11x - 6 = 39
• 11 + 6x = 39
• 66x = 39

Tags

CCSS.HSA.CED.A.3

Jim paid a gym membership fee of $50, plus $20 per month.  Jim has paid a total of $290 to the gym.  Which equation matches this situation?

• 50 + 20m = 290
• 20 + 50m = 290
• 50 + 20 = m
• 50m - 20 = 290

Tags

CCSS.HSA.CED.A.3

In 2010, a tree was 8 feet tall. In 2011 the tree was 14 feet tall. Let f represent the number of feet the tree grew.

• f + 8 = 14

• f - 8 = 14

• f/8 = 14

• 8f = 14

Tags

CCSS.HSA.CED.A.3

Joey and four of his friends went out to eat. They decided to split the bill evenly. Each person paid $11.13. Let b represent the total bill.

• b + 5 = 11.13

• b - 5 = 11.13

• b/5 = 11.13

• 5b = 11.13

Tags

CCSS.HSA.CED.A.3

Sally bought three candy bars for a total of $18.00. Let c represent the cost of each candy bar.

• c + 3 = 18

• c - 3 = 18

• c/3 = 18

• 3c = 18

Tags

CCSS.HSA.CED.A.3

Amy's parents gave her money for good grades on her report card. She spent $15.00 and now has $25.32. Let m represent the amount of money her parents gave her.

• m + 15 = 25.32

• m - 15 = 25.32

• m/15 = 25.32

• 15m = 25.32

Tags

CCSS.HSA.CED.A.3