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olya-2409 [2.1K]
4 years ago
13

A garrison of 400men had food for 40days.After 10 days,200 more men joined them .How long will the food last now?(Assume that th

e food taken by each man is almost the same.​
Mathematics
1 answer:
mestny [16]4 years ago
6 0

Let x be the amount of food needed for one man for one day. At the beginning, we have enough food for 400 men for 40 days, i.e.

400\cdot 40\cdot x = 16000x

After 10 days, the 400 men will have consumed

400\cdot 10\cdot x = 4000x

food, impliying that the food remaining is

16000x-4000x=12000x

If 200 more men join the garrison, there are now 600 men. Each of them requires x food each day, and there are 12000x units of food remaining. They will last

\dfrac{12000x}{600}=20 days.

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You should put at least 400 in the savings Which impact did WWII have on the U.S?
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Step-by-step explanation:

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