Question

tthe cost of a television television is set 9678 and that of a washing machine is 7899 which is costlier and by how much​

Answer 1

Step-by-step explanation:

TV is costlier than washing machine by Rs 1779

Answer 2

Step-by-step explanation:

ANSWER

let the marked price is Rs.x

∴x+9% of x=13407

⇒x+

100

9

=13407

⇒

100

109x

=13407

⇒x=

109

13407×100

⇒x=Rs.12300

If the sales tax is increased 13% then

The price of the T.V=12300+13% of 12300

⇒12300+

100

13

×12300

⇒12300+1599=Rs.13899

∴ customer pay =13899−13407=Rs.492