5(0.5k−1)+2(0.4−k)
= 2 - 5k + 2(0.4) - 2k
= 2 - 5k + 0.8 - 2k
= -7k + 2.8 + 2
= -7k + 4.8
In decimal form, the answer is represented as -7k + 4.8.
Add: 5(0.5k−1)+2(0.4−k). Answer should be in decimal form.
1 answer
1 answer