Question

S

Tami put 14 chocolate chips in a batch
of 10 cookies. How many chocolate
chips will be used with 40 cookies?
Chocolate
Chips
14 28 42 [?]
Cookies 10 20 30 40

Answer 1

56 chocolate chips will be used with 40 cookies.

Explanation:

14 chocolate chips = 10 cookies

? chocolate chips = 40 cookies

Variable x = number of chocolate chips for 40 cookies

14/10 = x/40

Cross multiply:

14 × 40 = 10 × x

560 = 10x

56 = x