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Topic:Mathematics skills 36
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Trustin me
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Aug 2020
Trustin mesays...
Four workers are able to place forty tiles in ten minutes; therefore their rate is 4 tiles/min
One worker's rate is 1 tile/min.
In twenty minutes, a worker will place 20 tiles.
If sixty tiles have to be placed in that time, 3 workers will be needed.
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Four workers are able to place forty tiles in ten minutes; therefore their rate is 4 tiles/min
One worker's rate is 1 tile/min.
In twenty minutes, a worker will place 20 tiles.
If sixty tiles have to be placed in that time, 3 workers will be needed.
This question can be hard if you don't know the strategy.
It is basically, the rate of the rate.
So I came across this in another example, but the answer is a proportion of all rates. 4w/40tiles/10min = x/60tiles/20min. 4w/4 = x/3 x = 3 workers
Thanks for the explanation!