10 sides 180(10-2) 1800-360=1440/10 = 144
The first one is the answers
10 oats must be added to make it 50% of oats in the animal feed
A.In Step 2, 90 should be multiplied by the quantity 10 – 12, not by 10.
correct:
90(10 - 12) = 90 · 10 - 90 · 12 or 90(10 - 12) = 90 · (-2)
