Question

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Answer 1

all but one gives 72$,just calculate

Answer 2

put a as number of adults and k as number of kids in 8a+4k and see which one gives 72,that would be correct option
let me do 2nd option for u:
8*(5 adults)+4*(6 kids)=40+24=64
so it is not 72,so option 2 is incorrect....can u do the same for option 1 ??