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Write an expression for each statement:
:
"the difference of two positive no. is 72"
One number = x, the other number = (x+72)
:
"the quotient is obtained on dividing the one by the other is 4." = 4
:
find the no.
:
Multiply above equation by x and you have:
x + 72 = 4x
:
72 = 4x - x
:
72 = 3x
:
x = 72/3
:
x = 24 is one number
:
The other number: 24 + 72 = 96
:
Check solution = 4
