Question

When you divide a number by 1/2, the result is.....

A) half the original number
B) twice the original number
C) 50% of the original number
D) 100% of the original number

Answer 1

Hello, right answer is B) twice the original number

If you divide a number for a fraction, you are multiplying that number for the opposite of that fraction (so 1/2 = 2)

This means 4 : 1/2 = 4*2 = 8

Instead, if you multiply a number for 1/2, you are dividing it for 2.

Hope it helps :)