Question

What is the reciprocal of the number 2/7 ?



 
A. -3 1/2



 
B.-2/7



 
C. 5/7



 
D. 3 1/2
i think it is B?

Answer 1

Reciprocal just means flipping a fraction by swapping the place of the numerator and denominator.
Switching 2 and 7 would change it to 7 over 2.
Simplifying 7/2 would result in 3 and 1/2.
So the answer is D. 3 1/2.