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------------------------------------------------ It takes Castel 13 hours to pick forty bushels of apples. Willie can pick the same amount in 15 hours. If they worked together, how long would it take them?

Answer :


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to pick forty bushels of apples?

Let's use the formula:

1/T = 1/T1 + 1/T2

where T is the time it takes both Castel and Willies to pick forty bushels of apples, T1 is Castel's time, and T2 is Willies' time.

Substituting the given values:

1/T = 1/13 + 1/15

Simplifying:

1/T = (15 + 13) / (13 x 15)

1/T = 28 / 195

T = 195 / 28

T ≈ 6.96 hours

Therefore, it would take Castel and Willies approximately 6.96 hours to pick forty bushels of apples if they worked together.

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