Let Poly = X
Andy gets twice as much as Poly so Andy = 2X
Pheobe gets three times as much as Andy, so she is 3(2x) = 6X
Now add them together to equal 270:
X + 2X + 6X = 270
Simplify:
9X = 270
Divide both sides by 9:
X = 270 /9
X = 30
Poly = X = 30
Andy = 2X = 2(30) = 60
Pheobe = 6X = 6(30) = 180
