Please guys solve Ex:4 ,i don't know it​

Step-by-step explanation:

all you have to doe is type Ex:4 into the calculator and you should get your answer.

ALRT let us see

Step-by-step explanation:

PART A: 4*3/8= 1.5 hours

1 hours and 30 minutes or 90 minutes or 1.5 hours which ever u like to write in

PART B:

1.5 hours+ 6 hours= 7.5 hours

7 hours and 30 minutes or 7.5 hours

PART C:

7.5/0.5= 15

15 half-hour sitting periods