Problem Solving
试题详情
题目：
A solid yellow stripe is to be painted in the middle of a certain highway. If 1 gallon of paint covers an area of p square feet of highway, how many gallons of paint will be needed to paint a stripe t inches wide on a stretch of highway m miles long? (1 mile = 5,280 feet and 1 foot = 12 inches)
选项:
A、(5,280 mt ) /12 p
B、(5,280 pt ) /12 m
C、(5,280 pmt ) /12
D、(5,280 )(12 m ) /pt
E、(5,280 )(12 p ) /mt
答案:
A
提问：
A solid yellow stripe is to be painted in the middle of a certain highway. If 1 gallon of paint covers an area of p square feet of highway, how many gallons of paint will be needed to paint a stripe t inches wide on a stretch of highway m miles long? (1 mile = 5,280 feet and 1 foot = 12 inches)
(5,280 mt ) /12 p
(5,280 pt ) /12 m
(5,280 pmt ) /12
(5,280 )(12 m ) /pt
(5,280 )(12 p ) /mt
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