Question

solved steps to steps

Answer 1

let 450 be marked price 
so first discount = 10%
so 450*$\frac{10}{100}$ = 45
so price after first discount = 450-45 = 405
now S.P = 344.25
so discount = 405 - 344.25 = 60.75
in percentage = $\frac{60.75}{405}$*100 = 15%