SOLUTION: You are a big spender. You bought lunch foryourself and 3 friends. You spent 54.38 total including a tip of 15%. Your meal was $9.89. Franks meal was $9.99. Sam's meal was $10.49 a

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: You are a big spender. You bought lunch foryourself and 3 friends. You spent 54.38 total including a tip of 15%. Your meal was $9.89. Franks meal was $9.99. Sam's meal was $10.49 a      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 95857: You are a big spender. You bought lunch foryourself and 3 friends. You spent 54.38 total including a tip of 15%. Your meal was $9.89. Franks meal was $9.99. Sam's meal was $10.49 and Peggys meal was _______.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(9.89+9.99+10.49+X)(1.15)=54.38
(30.37+X)(1.15)=54.38
34.9255+1.15X=54.38
1.15X=54.38-34.9255
1.15X=19.4545
X=19.4545/1.15
X=$16.92 COST OF PEGGY'S MEAL.
PROOF
(9.89+9.99+10.49+16.92)(1.15)=54.38
47.29*1.15=54.38
54.38=54.38