SOLUTION: of 5x workers can build a car in 4y days how many days will it take 2z work at the same rate to build the same car?

Question 765251: of 5x workers can build a car in 4y days how many days will it take 2z work at the same rate to build the same car?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
This question is probably faulty; not because of the variable number of worker and days as part of the rate, but because of ,"2z work at the same rate..." .

The quantity of workers, 2z, will work at a different rate than 5x workers, and at a different rate than just one worker.

I will give a solution, but it may be to a question different than the one you really want.

Rate information given is that 5x workers do this way:
5x workers____________4y days
This means,
1 worker_____________ days, or days
Rate of 1 worker is car per day.

Now for a group of 2z workers, the rates of all the workers in the team or group are simply additive. This gives us an expected rate for these 2z workers of car per day.

That rate as is obvious is in car per day; and you wanted the number of days per car, which is the reciprocal, so ....
DAYS PER CAR.
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