The missing number would be 4/6, or 2/3.
The missing number can be found by finding the absolute distance in between the numbers, dividing it and then adding it to the smaller number.
(5/6-3/6)/2=(2/6)/2=1/6
3/6+1/6=4/6 or 2/3
Hi , the answer is 15 miles per hour because 45 divided by 3 equals 15 , one hour equals to 15 , two hours =30 and three hours =45 , it goes by 15.
Work shown above! Answer is
a = 5 b = -2 c = 0
1 mm
Km etc
Hm etc
Dam etc
M 0.001
Dm 0.01
Cm 0.1
MM 1