Mr covert went shopping at the grocery store with a 20 dollar bill in his pocket and left his wallet at home. write an equation representimg the amount of monwy he can spend

X= the amount of money he can spend 

x=$20

P = money in pocket 
a = money he can spend 
p = $20 therefore Mr. Covert can spend a. which is $20 
UNLESS he has a debit or credit card with him in which case he can spend a lot more cause we all know sometimes we end up with a debit or credit card in our pockets not just our wallets

1. 5/82.95% is better than 7/8