If u meant to put, 5x multipled by 2^3x=21 the answer is x= 0.798
For saturday’s empty box it’s 35
for sunday’s empty box it’s 72
sorry if this is wrong but i hope this helps :))
$249.......................................
Im pretty sure you are i have done this question before and im pretty sure thats what i put and i got it right. plus just go with your gut