The sales tax $T$ , in dollars, I have to pay when I buy D dollars worth of merchandise is giv- en by $T = 0.09 D$ .
If I decide to buy $38 more in merchandise, how much additional sales tax will I have to pay?
A) $3.42
B) $3.91
C) $0.81
D) $0.09

Question

Quizplus · Accepted Answer

The additional sales tax for buying $38 more in merchandise is calculated by multiplying the sales tax rate (0.09) by the additional amount ($38), which equals $3.42 (0.09 * 38 = 3.42).

The Sales Tax TTT , in Dollars, I Have to Pay When I Buy

The Sales Tax $T$ , in Dollars, I Have to Pay When I Buy