Question #b1813

1 Answer
Feb 14, 2017

The number is 150150.

Explanation:

Consider the number to be xx. From the data given, we can write:

x xx70/100=105x×70100=105

x xx(7cancel0)/(10cancel0)=105x×70100=105

Multiply both sides by 10/7.

x=105xx10/7

x=15cancel105xx10/(1cancel7)

x=15xx10

x=150