7th - 6.2: Writing 1-Step Multiplication and Division Equations

A company lost $500 per product it sold. If the company lost a total of $3500 write and solve an equation to represent how many products lost money for the company.

Write: (a)  

Solve: ​ ​ (b)  

• -500x = -3500
• -500x = 3500
• 500x = -3500
• -3500x = 500
• 3500x = 500
• x = -7
• x = 7

A car rental agency charges $40 per day. If you spend $560 on the car rental, write an equation to find the total number of days you rented the car.

A temperature dropped the same amount each hour for 7 hours during a cold snap. If the temperature dropped a total of 28 hours, write and solve an equation to find the amount the temperature dropped each hour

Write: ​ (a)  

Solve:​ (b)  

• -7x = -28
• x = 4
• -7x = 28
• 7x = -28
• x = -4

A bookstore purchased books at a cost of $5 each book. If you spend $55 on books, write an equation to find the number of books bought.

A football team ran 3 plays and moved the same number of yards on each play. If the team lost a total of 21 yards, write and solve an equation to find how many yards the team moved each play.

Write:​ (a)  

Solve:​ (b)  

• 3x = -21
• x = -7
• -3x = -21
• -3x = 21
• 3x = 21
• 21x = 3
• 21x = -3
• x = 7

Ava has a rope. She cuts the rope into 9 pieces, each piece being 6 feet long. Write and solve and equation to find how long was the rope was before Ava cut it.

Write:​ (a)  

Solve:​ (b)  

Tommy earned twice as much as Matson mowing lawns. If Tommy earned $48, write an equation to find the amount of money Matson earned.

The number of eighth graders in choir is three times the number of seventh graders. If there are 48 eight graders in choir solve an equation to find the number of seventh graders in choir.

A farmer took his eggs and put the same amount in 5 cartons. If each carton has 12 eggs, write and solve an equation to find the total number of eggs the farmer has.

Write:​ (a)  

Solve:​ (b)  

• x = 60
• 12x = 5
• 5x = 12
• x = 2.4
• x = 0.4

Mr. Flaherty has 4 activities planned. Each activity will take 15 minutes to complete. Write and solve an equation to find how many total minutes it will take to complete every activity.

Write: ​ (a)  

Solve: ​ ​ (b)  

• 15x = 4
• 4x = 15
• x = 60
• x = 3.25
• x = 0.27