1 Answer

Scott McLeod · Answer 1 · 2022-06-17T11:01:34+0000

Answer: $3

Explanation:

Given

Luis has $20

He can buy 4 tennis balls and get $8 dollar back

Money spent on balls
$20-8=\$12$

i.e. 4 tennis balls cost
$\$12$

1 tennis ball costs
$(12)/(4)=\$3$

Each tennis ball costs $3.

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