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Question

Find the difference between the Rational numbers B and A as shown on the number line.



Your Answer
A

52

Your Answer
B

72

Correct Answer
C

82

Correct Answer
D

4


Solution

The correct options are
C

82


D

4


B lies between 2 and 3 and it is in the middle. Value of B = 212 or 52

A lies between -1 and -2 and it is in the middle. Value of A = 112 or 32

Difference between B and A = B - A = 52325+3282 = 4

We can also use the number of points on the number line that we travel left from B to A to get the same value.

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