Divide 75 by 2:
75 / 2 = 37.5
Now you need the whole number below 37.5 and the whole number above 37.5:
37 + 38 = 75
The numbers are 37 and 38
(A)
1,4
1,3
1,2
1,1
2,1
2,2
2,3
2,4
3,1
3,2
3,3
3,4
4,1
4,2
4,3
4,4
5,1
5,2
5,3
5,4
6,4
6,3
6,2
6,1
(B)
3%
(C)
I'm not sure about the answer for C, Sorry. Hope this helps!
7/100
3/10
21/125
3/ 2500
7/50
I simplified them for you
To find how much time the machine that took the longer job is, you would create an equation in terms of X, the amount of time it takes one of the machines.
Please see the attached picture for the work.
51 minutes is the longer time.
34 minutes for the other machine.
<span>7/8 - 1/4 = 7/8 - 2/8 = 5/8</span>