David can wash four cars in one hour or cut two lawns. Ralph can wash three cars in one hour or cut two lawns. David's opportunity cost for cutting one lawn is _____ car washes, and Ralph's opportunity cost for cutting one lawn is _____ car washes.

Question

Quizplus · Accepted Answer

David's opportunity cost for cutting one lawn is 2 car washes because he can wash 4 cars in the time it takes him to cut 2 lawns, so each lawn is 2 car washes. Ralph's opportunity cost for cutting one lawn is 1.5 car washes because he can wash 3 cars in the time it takes him to cut 2 lawns, so each lawn is 1.5 car washes.

David Can Wash Four Cars in One Hour or Cut