Ali saved 120% as much as Bala. Bala saved 1 1/4 as much as Charles. If Charles saved $120 less than Ali, find the average amount saved by the 2 boys.(help I have 8 hours before my nephews school start)

MaiaMitchell
Aug 5, 2015

#1**+5 **

120% = 6/5

Call the amount save by Charles = A

The amount saved by Bala = (5/4)A

The amount saved by Ali = (6/5)(5/4)A = (3/2)A

And we're told that

A + 120 = (3/2)A subtract A from both sides

120 = (1/2)A multiply both sides by 2

$240 = A this is what Charles saved

And Baa saved (5/4)(240) = $300

And Ali saved (3/2)A = $360

CPhill
Aug 5, 2015

#1**+5 **

Best Answer

120% = 6/5

Call the amount save by Charles = A

The amount saved by Bala = (5/4)A

The amount saved by Ali = (6/5)(5/4)A = (3/2)A

And we're told that

A + 120 = (3/2)A subtract A from both sides

120 = (1/2)A multiply both sides by 2

$240 = A this is what Charles saved

And Baa saved (5/4)(240) = $300

And Ali saved (3/2)A = $360

CPhill
Aug 5, 2015