Question

four fifths of a number is 20 less than the original number find the number

Answer 1

HEY.......
HERE IS U R ANSWER
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LET THE NUMBER BE x
A/Q
$\frac{4}{5} x + 20 = x \\ \frac{4x + 100}{5} = x \\ 4x + 100 = 5x \\ 100 = x$



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Answer 2

Solution:-
acourding to quetion,

4x/5+20= x

= 4x/5-x = -20

=( 4x-5x)/5 = -20

= -x = -100

= [x=100]ans