Answer:
hereee (:
Step-by-step explanation:
The answer is 0.75 but sorry I cant show u the work I used the caculater
Answer: He is idle for 8.4 hours.
Step-by-step explanation:
Since we have given that
Number of hours he repairs =30 hours
Percentage of hours he worked = 72%
Remaining percentage of hours he remains idle is given by

So, Number of hours he is idle for a driving is given by

Hence, he is idle for 8.4 hours.
10 milimeters you multiply by 10