4n/4n-4 × n-1/n+1
= 4n(n-1)/(4n-4)(n+1)
= (4n^2 - 4n)/(4n^2 + 4n - 4n-4)
= (4n^2 - 4n)/(4n^2 - 4)
= 4(n^2 - n)/4(n^2 - 1)
=(n^2 - n)/(n^2 - 1)
Answer:
339.42m
Step-by-step explanation:
Circumference of a circle=2x22/7x54
=339.42m
They will need 3 cars, but one of the cars will be having 3 passengers instead of 4. :)