Question

If twelve juice boxes cost $4.20, how much would fifteen juice boxes cost?

Answer 1

Explanation:

12=4.20

15=x

x=15*4.20/12

x=63/12

x=5.25

Answer 2

12=$4.20

15=x$ crisscross

12*(x$)/15*$4.20

= 15*4.2/12=x

x=5.25$