Problema Solution
A construction worker bought several bottles of juice for $3 at the convenience store. She paid for them with a $20 bill. If j represents the number of bottles of juice, write an expression for the change she should receive.
Answer provided by our tutors
let 'c' represent the change she will receive
3j + c = 20
c = 20 - 3j is the expression for the change she should receive.