Question #b1813

1 Answer
Suren Abreu
Feb 14, 2017

The number is #150#.

Explanation:

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

#x xx70/100=105#

#x xx(7cancel0)/(10cancel0)=105#

Multiply both sides by #10/7#.

#x=105xx10/7#

#x=15cancel105xx10/(1cancel7)#

#x=15xx10#

#x=150#

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