A number 5 times as large as 10 is one half of what number ?

Question

A number 5 times as large as 10 is one half of what number ?

Answer 1

a number 5 times as large as 10 would be found

by multiplying 5*10 = 50

 

The question then is 50 is 1/2 of what number?

(1/2)x = 50

x = 50*2

x = 100

 

A number 5 times as large as 10 is one half of 100