The Ultra 700i is a new racecar. The ultra consumes gasoline at a rate of P kilometers per liter (P km/L) when its steady state driving speed is at Q kilometers per hour (Q km/h).
In terms of the variables P and Q, select the expression that represents the number of liters of gasoline used in 1 hour of driving at steady state speed, and select the expression that represents the number of liters of gasoline used in a 40 km drive at steady state speed Q. Make only two selections, one in each column.
The Ultra 700i is a new racecar. The ultra consumes gasoline at a rate of P kilometers per liter (P km/L) when its steady state driving speed is at Q kilometers per hour (Q km/h).
In terms of the variables P and Q, select the expression that represents the number of liters of gasoline used in 1 hour of driving at steady state speed, and select the expression that represents the number of liters of gasoline used in a 40 km drive at steady state speed Q. Make only two selections, one in each column.
Liters of gasoline in 40km | Liters of gasoline in 1 hour | |
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40P
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40/P
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P/40
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P/Q
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Q/P
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40/Q
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第二个错了
答案有水。。第二个不对
第二个应该是Q/P吧
不是40/P和Q/P?