Simplify 2.8d-6+3.8-3.1d

-0.3d-2.2

Step-by-step explanation:

2.8d-6+3.8-3.1d

Combine like terms

2.8d-3.1d   -6+3.8

-0.3d-2.2

chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.