anna8352
22.12.2019 •
Mathematics
If a sprinkler waters 1 over 12 of a lawn in 1 over 4 hour, how much time will it take to water the entire lawn?
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Ответ:
3 hours
Step-by-step explanation:
Because your goal is 12/12
so you do 12x 1/4 = 3 hours
Ответ:
The average wait time for customers arriving in this 3-hour period of time is 1.5 minutes.
Step-by-step explanation:
Since from 6am to 9am customers arrive in droves to Betty's Bakery for her annual, 1 day only, cake sale and during that 3 hour period 1.75 customers enters the Bakery every minute, and Betty and her staff can box cakes and check out customers only at the rate of 70 customers per hour, to determine what is the average waiting time in minutes for the customers who arrive in this 3-hour period of time, the following calculation must be performed:
1.75 x 60 = 105
105/70 = 1.5
Therefore, the average wait time for customers arriving in this 3-hour period of time is 1.5 minutes.