Question

b

Answer 1

i think its 285 but im not sure

Answer 2

let me look again and see if 285 is right

Answer 3

so i got rid of 309 and 215

Answer 4

so 285 should be right

Answer 5

first i use process of elimination

Answer 6

cause i did this before and im looking at my work paper and its 285

Answer 7

ur welcome hope i helped