Question

Student finished 8 homework problems. If the ratio of the problems she finished to the problems she had left was 4:1 How many home work problems did she have total

Answer 1

Answer: 10 


Explanation: 

Problem finished : Problem left = 4 : 1

 4 : 1 ===> (x2) ===> 8 : 2 

Problem finished : Problem left = 8 : 2

Total homework = 8 + 2 + 10