Add: 5(0.5k-1)+2(0.4-k)

Answer 1

To simplify the expression, distribute the coefficients:

5(0.5k - 1) + 2(0.4 - k)

= 5 * 0.5k - 5 * 1 + 2 * 0.4 - 2 * k

= 2.5k - 5 + 0.8 - 2k

Combine like terms:

= 2.5k - 2k - 5 + 0.8

= 0.5k - 4.2