percent to be found

Question

A restaurant has a 15% mandatory tip rate.

(a) Complete the ratio table shown. Show your work.

Pre-Tax Bill ($): 10 __ 60 __

Tip ($) __ 12 __ 15

(b) Using the table, how can you find the total tip paid on $70?

Answer 1

15% of $70 = .15(70) = $10.50 total tip

table

10, 80, 60, 100

1.5, 12, 9, 15

70 is halfway between 80 and 60

so halfway between 12 and 9 = 10.5