Inactive Tutor answered 01/24/18
Tutor
New to Wyzant
CARD, NOT GARD
SLOPE, NOT SLOP
EQUATION, NOT EQUAITION
y = 25w + 250 expresses the total after w weeks, in dollars, PROVIDED NO PURCHASES ARE MADE TO DECREASE THE EVER-GROWING VALUE.
This is a rather strange situation, one generally adds money into a savings account, but gift cards usually start at a fixed amount and decrease with successive purchases.