Question

Starla bought napkins at an outlet store for $2.50 each, and she also used a $5 off coupon. If Starla paid $55.00 before tax, how many napkins did she buy?
22
26
24
18

Answer 1

24

Answer 2

let x = number of napkins
She bought x napkins at $2.50 each.
Can you write an expression to show the cost in terms of x?

Answer 3

1 napkin costs $2.50 * 1
2 napkins cost $2.50 * 2
3 napkins cost $2.50 * 3
x napkins cost ?