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GREYUIT [131]
2 years ago
9

What is the answer to the question 25% of what is 21?

Mathematics
2 answers:
g100num [7]2 years ago
8 0
If we call the number "x" then:
x*25%=21
x*25/100=21
x=21*4
x=84

Hope this helps. :)
Vadim26 [7]2 years ago
6 0
Let, that number = x
It would be: x * 25% = 21
x * 0.25 = 21
x = 21 / 0.25
x = 84

In short, Your Answer would be 84

Hope this helps!
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Step-by-step explanation:

Given:

The weight of a bull calf is 388 kilograms.

Now, to find the weight of bull calf of how long it will take to reach a weight of 500 kilograms, if it’s weight increases at a rate of 1 2/5 kilograms per day.

Required weight which to be increased = 500 - 388 = 112 kilograms.

Rate of weight increase = 1\frac{2}{5}=\frac{7}{5}

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Thus, the time required = \frac{required\ weight}{rate\ of\ weight}

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<em>The time required   =    80 days</em>.

Therefore, it will take 80 days for the bull calf to reach a weight of 500 kilograms.

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