SOLUTION: A chef can prepare a meal for 25 people in 5 hours. One assistant takes 20 hours to prepare the same meal. How many assistants must be hired to prepare the same meal for 45 people

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Question 355115: A chef can prepare a meal for 25 people in 5 hours. One assistant takes 20 hours to prepare the same meal. How many assistants must be hired to prepare the same meal for 45 people in 6 hours? Thank You
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Hi,
.
Preparing a meal for 45 persons in 6 hrs
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One assistant takes 20 hours to prepare meal for 25 People
Let x be the amount of meals in 6 hrs
%2825%2F20hr%29+=+%285%2F4%29+=+%28x%2F6hr%29
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cross multiply to solve
4x = 5*6
x = 7.5 ( An Assistant can prepare 7.5 meals in 6 hrs)
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Note: Chef can prepare 30 meals in 6 hrs. %2825%2F5%29+=+%2830%2F6%29
.
There will need to be 2 Assistants hired to prepare the remaining 15 meals