Question

Jenny's mom said she has a hour before bed time she spend 1/3 on the phone and 1/4 brushing her teeth how much time does she have for reading

Answer 1

25 minutes left for reading.

Explanation:

(1/3)*(1 hour)= 20 minutes

(1/4)*(1 hour)=15 minutes

Add the two answers: 35 minutes total spent on her phone and brushing her teeth, leaving 25 minutes to read.