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Ten workers can assemble nine car engines in 18 days.how many days will it take 15 workers to assemble the same number of engines?

2
by zelnicoletan

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by zelnicoletan

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Is it 10?

try to use ratio.......

try to use ratio.......

Solution :

10 : 18

Adds 5 workers (Left part of the ratio)

(15 : 18)(10 : 18)

() (1)

15 is 150% of 10.

18 ÷ 2 = 9

Therefore, 15 workers can assemble 9 car engines in 9 days.