Answer:
The first number is <u>28</u> the number nine more is <u>37</u>
Hope this helped!
There is a formula for this:
Time = (Worker1 Time * Worker2 Time) / (Worker1 Time + Worker2 Time)
Time = (12 * 8) / (12 + 8)
Time = 96 / 20
Time = 4.8 Hours
Source:http://www.1728.org/work.htm
Answer:
74 Bolts
Step-by-step explanation:
First find how many bolts he had to start with:
7 x 11 = 77
Then simply subtract to find out how many he used:
77 - 3 = 74
Answer:
2.5 m/s
Step-by-step explanation:
Matty's speed = 9 km/hr
We need to convert 9 km/hr to m/s
We know that,
1 km = 1000 m
1 hour = 3600 seconds
So, Matty jogs with the speed of 2.5 m/s.
Answer:
1/5
Step-by-step explanation:
you divide the amount of green jelly beans by the total amount of jelly beans in the jar, which gives you 10/50 or 1/5.
