Question

the difference of two number is 66 if one number is 4 times the other find the numbers

Answer 1

4x - x = 66
3x = 66
x= 66/3
x = 22
4x = 88
the numbers are 22 and 88

Answer 2

↑ Here is your answer ↓
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Let those numbers be 'x' and 'y',

$x-y=66 --(1)$

$x = 4y --(2)$

Sub (2) in (1)

$4y-y = 66$

$3y=66$

$y=66/3$

$y=22$

$x = 4y$

$x=4*22$

$x=88$