Question

Given, S = (2n - 4)90 , make x thr subject. Find n when s = 900​

Answer 1

S = (2n - 4) 90

Given that S = 900, so putting the value in above equation..

900 = (2n - 4) 90

(2n - 4) = 900/90

2n - 4 = 10

2n = 10 + 4

n = 14/2

n = 7