Answer:
I think it's 45 students
Step-by-step explanation:
Yeah you did well on the table
Answer: Sally walked 3 minutes faster per mile
Hope it helped!
X=3y+4, y=y
x+y=180, 3y+4+y=180, 4y+4=180
4y+4=180
4y=176
y=44
x=3(44)+4, x=132+4, x=136
(I am not a very good artist in this case:)