Question

10 POINTS!!!!

Problem:
Two friends, Alejandra and Mia, agreed to split the check at a restaurant. Alejandra ordered $12 worth of food and Mia ordered $18 worth. At the end of the meal, Alejandra put her $12 contribution on the table, plus a 20% tip and Mia put her $18 contribution on the table, plus a $15% tip.

The total tip left by Alejandra and Mia is equal to r% of the total check for their table, where the "total check" amount does not include the tip. What is r?

Answer 1

17%

Explanation:

Answer 2

Alejandra paid $2.40 for a tip and Mia paid $2.70 for a tip. Together they paid $5.10, which is 17% of the amount they paid before tips.