B=t-am is the correct answer:)
Answer:
-0.85714285714
Rounded answer:
-0.86
Step-by-step explanation:
Alright so .25 oz is 1/4 of 1oz. Therefore you take 28 and divide it by 4 and get 7.
Then take 3500 and divide it by 7 which makes 500 thumb tacks.
I think idk though.