Mrs jones uses 1/2 pint of milk on her cereal each morning.
how many bowls of cereal will 4 pints of milk last?

To do this, we need to divide 4/1 by 1/2. When dividing fractions we multiply the first fraction by the reciprocal of the second fraction. 

= 

The answer is 8. 

Hope this helped! If you have anymore questions or don't understand, please comment or DM me. :)

38 dollars is your answer.