Equations Word Problems

Ms. Kramer has 12 pennies. Emily has x pennies. Together they have 20 pennies. Which equation could be used to figure out how many pennies Emily has?

• 12 + x = 20

• 12 - x = 20

• 12 + 20 = x

• 12x = 20

Rowe purchased 3 chromebooks for a total of $600. Which equation could be used to figure out the cost, c, of one chromebook?

• 3 + c = 600

• 3c = 600

• 3 + 600 = c

Ms. Kramer spends $10 on a bag of Jolly Ranchers. She now has $7.50 left in her candy budget. Which equation could be used to find out how much money, m, Ms. Kramer had before she bought the Jolly Ranchers?

• 10 + m = 7.50

• 10 - m = 7.50

• m + 7.50 = 10

• m - 10 = 7.50

During a baseball game, Sean scored 4 runs. Rogelio scored x runs. In total, they scored 5 points. Write an equation that could be used to find how many runs Rogelio scored.

• 4 + x = 5

• 4 + 5 = x

• 5 + x = 4

• 4x = 5

• A

• B

• C

• D

Barry needs $1,449 for summer camp. Two local clubs will each match what he saves. Barry has 3 months before he leaves for summer camp. How much does Barry need to save on his own each month to have enough for summer camp?

Ms. Ritter put 45 marbles in a jar. Then, four of her students put in 12 marbles each. Then, nine of her students put in 18 marbles each. Which expression represents how many marbles are in the jar?

• 45 + (4 + 12) × (9 + 18)

• 45 + (4 × 12) + (9 × 18)

• 45 × (4 + 12) + (9 + 18)

• 45 ÷ (4 × 12) + (9 × 18)

Mr. Nolan paid $36.95 for each adult shirt and $23.95 for each youth shirt he bought. Mr. Nolan bought 2 adult shirts and 5 youth shirts. How much money did he spend on these shirts?

• $167.35

• $258.65

• $232.65

• $193.65

Jay mows lawns and washes cars to earn money. • He earns $8 for each lawn he mows. • He earns $5 for each car he washes. • On Friday, he mowed 3 lawns and washed 3 cars. • On Saturday, he spent $15 of the money he earned. Which expression shows the amount of money Jay had left?

• (3 × 8 + 5) – 15

• 3 × (8 + 5) – 15

• (3 + 8 + 5) – 15

• (8 + 5) – 15 × 3

Solve the equation

• k = 18

• k = 4

• k = 5

• k = -18