Question

Simplify the expression - 4 1/2 ( - 2.5n + 3n - 4 ) .

Answer 1

-2.25n + 18

Explanation:

- 4 1/2 ( - 2.5n + 3n - 4 )

4 1/2 = 9/2

-9/2 (-2.5n + 3n - 4)

-9/2(0.5n - 4)

-2.25n + 18