3
Starla bought cloth napkins at an outlet store for $2.25 each, and she also used a $5 off coupon. In the equation below, x represents the number of napkins, and y represents the cost before tax.
y = $2.25x - $5
If Starla paid $40.00 before tax, how many napkins did she buy? A.
18
B.
20
C.
14
D.
22
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Drag each equation to the correct location on the model. Not all equations will be used.
Arrange the steps to show how to solve for x.
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