Answer:
It will take <u><em>80 days</em></u> for the bull calf to reach a weight of 500 kilograms.
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}](https://tex.z-dn.net/?f=1%5Cfrac%7B2%7D%7B5%7D%3D%5Cfrac%7B7%7D%7B5%7D)
=
Thus, the time required = ![\frac{required\ weight}{rate\ of\ weight}](https://tex.z-dn.net/?f=%5Cfrac%7Brequired%5C%20weight%7D%7Brate%5C%20of%5C%20weight%7D)
=
=
<em>The time required = 80 days</em>.
Therefore, it will take 80 days for the bull calf to reach a weight of 500 kilograms.