Question

Ab-0.5bab−0.5ba, b, minus, 0, point, 5, b when a=1a=1a, equals, 1 and b=5b=5

Answer 1

2.5

Explanation:

Put the values in place of the corresponding variables and do the arithmetic:

ab - 0.5b = (1)(5) -0.5(5) = 5 - 2.5 = 2.5