How to find the unit "1" in percentage application questions? For example: Xiao Ming used 45 points to climb up the mountain and 30 points to go down the mountain. How much faster is the downhill speed than the uphill speed? What is the unit "1" of this question? How to find the unit "1"?
The time to go up the mountain is unit "1"
Because the speed ratio is 30 / 45
45 / 45 is 1, that is, the unit "1"
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