Question

One fourth of the candy bars were not chocolate. There were 45 chocolate candy bars. One-fifth of the chocolate candy bars contained nuts. How many nonchocolate candy bars were there? How many chocolate candy bars contained nuts?

Answer 1

1/4 =non chocolate bar
3/4 = chocolate bar

45 ÷ 3 = 15
So 1/4 = 15 candy bars

And 1/5 candy bars contained nuts...

45 x 1/5 = 9 chocolate bars contained nuts

The answer is ...
15 non chocolate bars
And
9 chocolate candy bars contained nuts