SOLUTION: Chad and Ethan went to eat lunch. They left a 20% tip which was 5 dollars. Chads meal was 10 dollars. Write a formula to figure out the cost of ethans meal.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Chad and Ethan went to eat lunch. They left a 20% tip which was 5 dollars. Chads meal was 10 dollars. Write a formula to figure out the cost of ethans meal.      Log On


   

Question 1021543: Chad and Ethan went to eat lunch. They left a 20% tip which was 5 dollars. Chads meal was 10 dollars. Write a formula to figure out the cost of ethans meal.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = the amount of Ethan's meal
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+.2%2A%28+10+%2B+x+%29+=+5+
This says " 20% of the sum of their meals is $5 "