Question

Evaluate ab-0.5b when a = 1 and b=5.

Answer 1

The value of $ab-0.50b$ is 2.50.

Step-by-step explanation:

The expression is:

$ab-0.50b$

Given:

a = 1

b = 5

Compute the value of the expression as follows:

$ab-0.50b=b(a-0.5)$

                $=5(1-0.5)\\=5\times 0.50\\=2.50$

Thus, the value of $ab-0.50b$ is 2.50.

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