SOLUTION: A customer at a restaurant paid a waitress a certain amount for the food plus a 20% tip of the food cost. The customer paid a total amount of $24.00. How much did the food cost? Ho

Algebra ->  Percentages: Solvers, Trainers, Word Problems and pie charts -> SOLUTION: A customer at a restaurant paid a waitress a certain amount for the food plus a 20% tip of the food cost. The customer paid a total amount of $24.00. How much did the food cost? Ho      Log On


   

Question 1202941: A customer at a restaurant paid a waitress a certain amount for the food plus a 20% tip of the food cost. The customer paid a total amount of $24.00. How much did the food cost? How much money represented the 20% tip?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Easier to take a variable as the main cost before applying the 20% tip.

1.2p=24, for cost of the food, p.

p=24%2F1.2
p=20-----------food's cost

Question asks for 1%2F5 of the $20, which is $4.