43 47 53 59 are the prime numbers
Answer:
126 hrs
Step-by-step explanation:
-Given the school year has 180 days and the non-working student spends 42 minutes more than the working student.
-The total time during the school year is calculated as;

We convert our calculated time in hour(1hr=60 minutes):

Hence, the average non-working spends an average of 126 hrs that the working student.
If you convert the fractions to improper, you get 9/2 times 7/4. you can then just multiply the tops and bottoms and simplify! hope this helps