4 x 2/4
2/4 can be reduced to 1/2
Now you have 4 x 1/2
Multiply 4 by 1 then divide by 2:
4 x 1 = 4
4/2 = 2
The answer is 2
Difference is always positive so it is 5
What kind of question is this? and where is the data
M< means to measure so I would measure