Answer:
::::::::::::::::::::
40
10/81
Step-by-step explanation:
let,
y=kx
y=10 when x=9
so,
10=k×9
or, k=10/9
when x=1/9
or, y=(10/9)×(1/9)
or, y=10/81
B should be the only correct answer.
Regular price = 300
Sale = 15%
Price after sale
= 300 - 15%(300)
= 300 - 15/100 x 300
= 300 - 15 x 3
= 300 - 45
= 255
given,