Real-Life Math Problem:
Earl always fills his tank when he gets gas for his truck. Earl also likes to use coupons. Most of the coupons are $0.10 off per gallon and he can pay inside the gas station. A new station opened that takes $0.12 off per gallon but you have to pay before pumping the gas. The truck provides this information: Can you figure out how much Earl should pay for gas when he needs more? Edit: Apparently the request was enough for me to open a spreadsheet. 3 variables, 1 fixed number, and some manipulation of data - Here I go...