Question

how much money would you spend if you were 2 by 4 bags of Doritos it cost $3.55 per bag show the equation how you got the answer

Answer 1

Equation :

$y = 3.55x$

$y = 3.55(4) = 14.20$

~~

You would spend $14.20

Answer 2

3.55 x 4
thats the amount per bag times the number of bags you buy. 
use a calculator and you get $14.20

ANSWER-------> $14.20