Answer:A). the solutions to the problem solved by the four students is not stated in the question
B.
2 5 6. 3 0
- 0 1 5. 2 5
= 2 4 1. 0 5
Explanation : two hundred and fifty six point three is estimated to one decimal place
Fifteen point two five is estimated to two decimal places
To solve the equation add zero beside three to make it 256.30 add zero before 15.25 to make it 015.25 then subtract to get the result.
