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alexgriva [62]
3 years ago
5

Michael is 17 years older than John. In 4 years, the sum of there ages will be 49. Find Michaels present age.

Mathematics
1 answer:
Crank3 years ago
7 0
Answer:

29

Explanation:

Let John be x years old.

Michael is <span>x+17</span> years old.

In four years time, the sum of their ages will be 49:

<span>x+x+17+2<span>(4)</span>=49</span>

<span>2x=24</span>

<span>x=12</span>

So Michael is <span>12+17=29</span> years old now.

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5 0
3 years ago
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If 16 horses eat 5 stacks of hay in 35 days, how many horses can eat 4 stacks of hay in 8 days? Math question
Aleksandr [31]

Answer:

The number of horses that can eat 4 stacks of hay in 8 days = 56 horses

Step-by-step explanation:

The given parameters are;

The time it takes 16 horses to eat 5 stacks = 35 days

Therefore;

The time it takes 16 horses to eat 5/5 stacks (1 stack) = 35 days/5 = 7 days

The time it takes 16 horses to eat 1 stack of hay = 7 days

The time it takes 16 horses/16 to eat 1 stack of hay = 7 days × 16 = 112 days

Therefore;

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The time it takes 1 horse to eat 4 stacks of hay = 448 days

Therefore, given that (448 days)/(8 days/horse) = 56 horse, we have;

The number of horses that will eat 4 stacks of hay in 8 days = 56 horses.

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