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GWD 4 31 沒人問過.....
Q31:
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)
A.(5,280 mt) / 12p
B.(5,280 pt) / 12m
C.(5,280 pmt) / 12
D.(5,280)(12m) / pt
E.(5,280)(12p) / mt
Answer: A
請問這題在講什麼 怎麼算呢
感謝 |
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