Simple algebra equation of two unknowns: x + y = 1.10, and x = y + 1.00. Where x = the bat and y = the ball; substituting for x and solving for y gives: (y + 1.00) + y = 1.10 or 2y + 1 = 1.10 or 2y = .10 or y = .05.

y = .05 x = 1.05 Login to read more.