Question

a refrigerator is purchased for rs 20000 including sales tax .if the actual cost Price of the refrigerator is 18000 ,find the rate of sales tax.

Answer 1

let sales tax be x

18000 + x = 20000

x = 2000

rate of sales tax  = 2000/18000 * 100

= 100/9 %

Answer 2

Answer:

x% of 18000=20000

x/100=20000/18000

x=20000/18000*100

x=11.111%