John gets $0.05 for each can and $0.10 for each glass bottle he returns to the recycling center. Yesterday he returned 39 cans and 15 bottles. How much did John earn? Include all necessary
work to support your answer.

John earned $3.45
$0.05 (how much he earns for returning 1 can) x 39 cans = $1.95 dollars in total
$0.10 (how much he earns for returning 1 glass bottle) x 15 glass bottles = $1.50 dollars in total
$1.50 (glass bottle total) + $1.95 (cans total) = $3.45 dollars in total