Question

Luis has 20$. He can buy 4 cans tennis balls and get 8 dollers back. How much did each tennis ball can cost?

Answer 1

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.