Respuesta :
(b/4)/(2c/3)=xb/c
(b/4)(3/(2c))=xb/c
3b/8c=xb/c
x=3/8
So Rosy will use 3/8 of a bottle to wax her entire car.
(b/4)(3/(2c))=xb/c
3b/8c=xb/c
x=3/8
So Rosy will use 3/8 of a bottle to wax her entire car.