Question

Andres is on the tennis team. Last year he bought 7 tubes of tennis balls. The year before he bought k tubes. Each tube holds three balls.

a. Write an expression using parentheses to describe how many tennis balls Andres bought in the last two years.

b. Given that k=6, evaluate your expression using the distributive property.​

Answer 1

A. 7(3) + 3k = total amount of tennis balls bought in 2 years

B. 39 tennis balls

Explanation:

B. 7(3) + 3(6)

21 + 18 = 39 tennis balls