Lab 7.5: Flow control

Suppose you can buy a chocolate bar from the vending machine for $1 each. Inside each bar is a coupon. You can redeem seven coupons for a free bar from the machine. Write a program to to output the number of chocolate bars you can eat , including those redeemed with coupons, if you have n dollars. For example $20 gets you 23 chocolate bars; 20 that were purchased and 3 redeemed.
Save your file as lab7.5.cpp.