The function f(x) varies directly with x and f(x)=160 when x=40.
1 answer:
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Each pair of sneakers cost $33.25
Step-by-step explanation:
Given,
Total spent by Mark = $68.82
Sales tax = $5.32
Coupon used = $3.00
Price without sales tax = Total spent - sales tax
Price without sales tax = 68.82 - 5.32 = $63.50
As Mark used coupon, we will add this amount.
Amount of sneakers = Price without sales tax + Coupon used
Amount of sneakers = 63.50+3.00 = $66.50
As this is price of two sneakers, we will divide it by 2;
Cost of one sneaker =
Each pair of sneakers cost $33.25
Keywords: subtraction, addition
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