Question

Lisa and Judy read mystery novels. Judy has read three fewer than 5 times as many as Lisa. Judy has read seventeen mysteries. How many has Lisa read? a. 4 mysteries c. 3 mysteries b. 7 mysteries d. 9 mysteries

Answer 1

a. 4 mysteries

Explanation:

Let the number of books Lisa read be x.

5x-3 = 17

5x = 17 + 3

= 20

x = 20 ÷ 5

x = 4