Question

If 20%Of a number n is 30 more than 12•5%of 400 then what is 36 %of n​

Answer 1

20/100 x n - 125/100x 1/10 x 400 = 30
➡️ 20/100 x n - 50= 30
➡️ 20/100 x n = 80
➡️ n = 80 x 100/20
➡️ n= 400
So, 36/100 x 400 = 144