Question

Andjela has 16 hours of her community service left. She completes 2/5 of the 16 hours at the library. She completes 1/3 of the 16 hours tutoring math. How many hours does she have left? Answer as an improper fraction then convert to a mixed number.

Answer 1

Explanation:

2/5*16 + 1/3*16 + x = 16

32/5 + 16/3 + x = 16

common denominator

96/15 + 80/15 + x = 240/15

x = 64/15

4.27