Evaluate Using the Given Value 8r-rs when r=6 and s=5

$8 r - r s$ when $r = 6$ and $s = 5$

Step 1

Replace the variable $r$ with $6$ in the expression.

$8 (6) - 6 \cdot s$

Step 2

Replace the variable $s$ with $5$ in the expression.

$8 (6) - 6 \cdot 5$

Step 3

Simplify each term.

Multiply $8$ by $6$ .

$48 - 6 \cdot 5$

Multiply $- 6$ by $5$ .

$48 - 30$

Step 4

Subtract $30$ from $48$ .

$18$