Question

Lamika buys 12 packs of juice boxes that are on sale and pays a total of $48. How much will Lamika pay to buy 8 more packs of juice boxes at the same store.

Answer 1

$12+8=20 \ juice \ boxes \ needs \ to buy \\\\ 12b.......48\ \\20b.........x \\\\ x=\frac{20*48}{12} \\\\ x=20*4 \\\\ \boxed{x=80\ }$

Answer 2

$x-\ price\ of\ juice\\\\ 12*x=48\ \ \ |Divide\ by\ 12\\ x=4\ \\\\ If\ she\ will\ buy\ 8\ more:\\ 12+8=20\ packs\\\ 20*4=80\ \\\\She\ will \ pay\ 80\ .$