If 13 candy bars cost $21.97, how much do 20 candy bars cost? a) Record the proportion below in which you will use to solve the problem. Be sure to use x as the unknown quantity.

Respuesta :

Answer:

$33.80

Step-by-step explanation:

proportion:

13/21.97 = 20/x

solve:

multiply both sides by x

13x/21.97 = 20

multiply both sides by 21.97

13x = 439.4

divide both sides by 13

x = 33.8