Creating Equations from Word Problems

Sally is three years younger than twice Gabby's age. If Gabby is 12 years old, how old is Sally?

• 18

• 21

• 24

• 27

Three brothers have ages that are consecutive multiples of three. The sum of their ages is 36. What are their ages?

• 6, 9, 12

• 9, 12, 15

• 12, 15, 18

• 3, 6, 9

Jasper has six more spots than Rover. Twice Rover's spots plus three times Jasper's spots equals 68. How many spots does Rover have?

• 8

• 10

• 12

• 14

There are 70 marbles, all either black or red. The number of red marbles is five less than twice the number of black marbles. How many red marbles are there?

• 25

• 30

• 45

• 50