You can see 84.78 as 
.
So, you can see the problem as 
First, multiply all the numerators together and all the denominators together.
You end up with 
=33.912
10 is a common factor of 50 30 and 100. So is 2
Answer:
14
Step-by-step explanation:
We can find the sum of these numbers by adding them together.
The cumulative rule of addition lets us add numbers together in any order we want.
So, for 2 + 3 + 4 + 5 …
2 + 3 = 5
So now we have 5 + 4 + 5
5 + 4 = 9
Now we have 9 + 5
And 9 + 5 = 14
So, your answer is 14
Hope this helps!
Answer:
60 ft, 7.5 ft 67.5 ft
Step-by-step explanation:
1. 5*12=60 ft
2 5*3=15 15/2=7.5 ft
3 60+7.5=67.5 ft
