Question

A farmer milks 16 cows every hour. The size of his herd varies as new calves are

born and he sales off some of his stock. He never has less than 48 cows nor more
than 64. How many hours does it take him to milk his cows? Explain.

Answer 1

Explanation:

The number of cars that the farmer milked in one hour is 16.

The size of his herd varies as new calves are born and he sells off some of his stock.

He never has less than 48 cows nor more than 64. This means that the least number of hours that spends in milking cows would be

48/16 = 3 hours

The most number of hours that spends in milking cows would be

64/16 = 4 hours.

Therefore, the hours it takes him to milk his cows is 3 ≤ x ≤ 4

Where x represents the number of hours it takes him to milk his cows.