If the number of basketball is X, the number of volleyball is 36-X. ..

The column equation is:

48x+(36-x)32= 1600

48x+ 1 152-32x = 1600

16x=448

X=28 (because the quantity cannot be decimal, the minimum value is 28).

A: So there are nine schemes.

There are 28 basketballs and 8 volleyballs.

There are 27 basketballs and 7 volleyballs.

There are 26 basketballs and 6 volleyballs.