Mrs. carson pays kristen $48 for babysitting 6 hours, and mr. vasquez pays her $67.50 for babysitting 9 hours. who pays kristen the better salary? explain your answer.

To solve this problem you must divide the total salary by the total hours to figure out how much is earned each hour

$48/6 hours = $8 per hour
$67.50/9 hours = $7.50 per hour

Mrs. Carson pays Kristen the better salary by $0.50 an hour.