Add: 5 (0.5k - 1) + 2(0.4 - k) Answer should be in decimal form. (1 point)
5(0.5k - 1) + 2(0.4 - k)
First, distribute the 5 and the 2:
= (5 * 0.5k) + (5 * -1) + (2 * 0.4) + (2 * -k)
Simplify:
= 2.5k - 5 + 0.8 - 2k
Combine like terms:
= (2.5k - 2k) + (-5 + 0.8)
= 0.5k - 4.2
Answer: 0.5k - 4.2