Step-by-step explanation:
So your question I confusing so i'm gonna put what i think this means $3 +$1.5=$4.5 if you take it back to store it will not have to be paid because it already is paid how much the price will be.
90 - 50 = 40
40 / 8 = 5
x = 5
I believe he would need to deposit about $67,500
The answer is x=g/(c+d+r)