Answer:
72
Step-by-step explanation:
Solve question by using cross-multiplication.
They should purchase the snack with the purple box. This is the answer for 23, i don't know what 24 is sorry.
24÷3=8
8×5=40
so the first snacks would cost them $40.
then:
24÷4=6
6×6=36
so the second snacks would cost them $36
Your answer would be -8
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It's A