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【OG20-P275-263题】
For a certain car repair, the total charge consisted of a charge for parts, a charge for labor, and a 6 percent sales tax on both the charge for parts and the charge for labor. If the charge for parts, excluding sales tax, was $50.00, what was the total charge for the repair?
(1) The sales tax on the charge for labor was $9.60.
(2) The total sales tax was $12.60.
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条件1:0.06L=9.6,L可以求,充分
条件2:(L+50)*0.06=12.6,L可以求,充分
题目讨论 (1条评论)

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ziqi
其实是已知Parts了
0
0 回复 2022-03-10 11:56:18