mike withdrawed money from the bank he spent a fourth of it on gas and has $90 left. how much money did he withdraw?

Guest Jun 16, 2017

#1**+3 **

Let's call the amount of money he withdrawed " m " .

m - ( \(\frac14\) )m = 90 Factor out an m on the left side.

m( 1 - \(\frac14\) ) = 90

m(\(\frac44-\frac14\)) = 90

m(\(\frac34\)) = 90 Multiply both sides of the equation by \(\frac43\)

m = 90 * \(\frac43\)

m = 120

hectictar
Jun 16, 2017