Solve Equations from Word Problems

The length of a rectangular field is 75 yards. This is 3 yards more than twice the width. How could I find the width of the field?

• 2w + 3 = 75

• 2/w + 3 = 75

• 2w - 3 = 75

• 3w = 75

Tags

CCSS.7.EE.B.4A

Grandpa Gump is 63 years old. His age is 2 years less than 5 times the age of Billy Gump. How could I find out how old Billy is?

• x/5 - 2 = 63

• 5x - 2 = 63

• 2x - 5 = 63

• 5x + 2 = 63

Tags

CCSS.HSA.CED.A.3

Three desks and a bookcase together weigh 157 pounds. The bookcase weighs 34 pounds. Which equation could help me find out how much each desk weighs?

• 34 + 3 = 157

• 34x + 3 = 157

• 3x + 34 = 157

• x + 34 = 157

Tags

CCSS.HSA.CED.A.3

Mo is thinking of a number. Eleven more than one third of a number is -1. Which equation would help me find Mo's number?

• 1/ 3 + 11 = -1

• 3x + 11 = -1

• 1/3x + 11 = -1

• 1/3x + 11 = 1

Tags

CCSS.7.EE.B.4A

Mr. Piper's plumbing needed repairs. The plumber charged $98 for parts plus $45 per hour for labor. If the bill totaled $458, how could I find out the hours of labored required?

• 98x + 45 = 458

• 98 + 45x = 458

• 45 + 98 = 458

• 45x - 98 = 458

Ken is thinking of a number. Nine more than the product of 4 and the number is 73. What is the equation?

• 4 + 9x = 73

• 4x = 73

• 4x + 9 = 73

• 9x + 4 = 73

Tags

CCSS.HSA.CED.A.3

Eddie scored 27 points more than half of what Duncan scored. Eddie scored 58 points. Which equation represents the situation to find how many points Duncan scored?

• 1/2d + 27 

• d + 27 = 58

• 1/2d + 27 = 58

• 1/2d - 27 = 58

Tags

CCSS.HSA.CED.A.3

Oshgosh would like to buy a new pair of skates for $115. So far he has saved $40. If he earns $7.50 per hour, how could I find out how many hours he must work in order to buy the skates?

• 40 + 7.50x = 115

• 40x + 7.50 = 115

• 40 + 7.50 = 115

• 40 + 17.50x = 115

Tags

CCSS.7.EE.B.4A

Jo is thinking of a number. Four less than 9 times the number is 176. How could I find Jo's number?

• 9x - 4 = 176

• 4 - 9x = 176

• 9x + 4 = 176

• 4x + 9 = 176

Tags

CCSS.7.EE.B.4A

The 30 members of a choir are trying to raise $1500 to cover travel costs to a singing camp. They have already raised $600. Which equation would you solve to find the average amount each member can raise in order to meet the goal?

• 30x + 600 = 1500

• 30x - 600 = 1500

• x + 600 = 1500

• 30x = 1500

Tags

CCSS.HSA.CED.A.3