IDNLearn.com offers a reliable platform for finding accurate and timely answers. Join our interactive Q&A community and get reliable, detailed answers from experienced professionals across a variety of topics.

David washes 10 cars and waxes 4 cars every Saturday. He earns $5 for each car he washes and $12 for each car he waxes. How much money does he earn on 3 Saturdays in dollars?