The answer is -271/4x + 681/2
Answer:
1,2,3,4,6,9,12,18,36 Is correct one
His grandfather cuts 45 1/4 bales of hay in the other field
Each question is worth 4 points (100/25=4)
Therefore, when you divide 83 by 4, you get 20.75, as as he's aiming to get a B, this needs to be rounded up to 21.
Xio would need to get 21 questions right to get a B, hope this helps :)