Answer:
102 mg
Step-by-step explanation:
Let's convert 28 pounds to kgs.
Since 1 kg = 2.2 pounds, we can find:

So 28 pounds is 12.73 Kg
Since 8mg is given per kg, for 12.73 kg, the amount given should be:
12.73 * 8 = 101.84
Rounded to nearest whole number, that is, 102 mg
When simplified the answers results in
= -1
So I use the formula hopefully these steps work
90 × 7 = 630 , it's not hard, it's easy
Answer:
-13
Step-by-step explanation: