a case of oranges costs 24.00 and contains 60 whole fruit. what is the cost of 12 oranges?

Question

food problem

Answer 1

I notice that twelve is one fifth of the 60 count, so take one fifth of . That is , what is 1/5 of $24?

 

That's the same as 2/10 of $24, which is two times $2.40, which is $4.80.

 

Another way is to use a proportion.