M(N+2)+3N+6
M*(n+2)+3(n+2)
Answer
(n+2)*(m+3)
X<<span>y+<span>3 its simple here is your answer</span></span>
It took them 4 days to install 480 chairs which means if they were working at a constant rate they got 120 chairs installed daily. with 360 chairs left that means in 3 days they will finish. so overall, it took the workers 7 days to finish, or a week.
5 and 96/100 or if you need to simplify 5 and 24/25
X=4 and y=6
For this, you should use simultaneous equations