Respuestas

2012-12-05T02:20:28+01:00

x=half

y=quarters

 

y=4x

0.5x+0.25y=61.5

 

0.5x+0.25*4x=61.5

1.5x=61.5

x=61.5/1.5=41

 

y=4*41=164

 

Shes has 164 quarters