Answer:
, 9
Step-by-step explanation:
= ÷ =
= = 9
Answer:
1.6 hours
Step-by-step explanation:
Number of opening hours a day = 8
Number of groups = 5
Dividing the number of opening. Hours equally among the 5 groups :
8 hours / 5
= 1.6 hours per group per day
Answer:
B the service fee for coming to look at the machine
Step-by-step explanation: