What is the result of solving this equation for b?
ax + by = c

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

What is 1/2 x (6 x 4)+3 + 2 show your work

With: label the vertices and all the elements needed. find x