Question

And 2015 the price of business math text Rose $210 this is 9% more than 2014 price what is old selling price round to the nearest cent

Answer 1

$210 x .09 = $18.90 is the increase...
so the price 2014 was $191.10

Answer 2

The old selling price is $192.66

Explanation:

Let the price in 2014 be x

Now the price in 2015 is 9 % more

So, price in 2015 =
`x+9\% x`

=
`x+(9)/(100)x`

=
`(109)/(100)x`

We are also given that In 2015 the price of business math text Rose is $210.

So,
`(109)/(100)x=210`

`x=210 * (100)/(109)`

`x=192.66`

Hence The old selling price is $192.66