Question

Ken finished one-half of his homework

problems at school. He finished two-thirds of
the remaining problems at home. He had 5
problems left. How many problems were
there in total?
A. 20
B. 25
C. 30
D. 40
E. 60

Answer 1

30

Explanation:

half of 30 is 15 and two thirds of 15 is 10, and then 15-10 is 5