Question

Using a coupon for 15% off, Joseph paid $1,700 for a new TV. What Was The Regular Price Of The TV?

Answer 1

So what you're saying is that 15% of \(x\) price is $1700. Remember that 15% is the same as 15 / 100. We can set that up like this:

\[\frac{15}{100} = \frac{1700}{x}\]

Then you can solve for \(x\). You can make it even easier if you flip both sides:

\[\frac{100}{15} = \frac{x}{1700}\]

Answer 2

This is not really the case. I think there is a tiny mistake. What really happens is Joseph gets a discount of 15% on the tv and hence only pays $1.700.

So what really happens is J pays only 100%-15%= 85% of the real price.

Now if the TV costs $100, J is paying only $85.

Now let the real value of the TV be x.

We should now see that

\[ (100\85)=(x \ 1700) \]

Which gives us x=2000

Hence the real value of the tv is $2000.

Let me verify.

15% of $2000= 2000* 15/100 = $300

Hence J only pays 2000-300=1700

Hope you understand...

Answer 3

100 / 85 = x/ 1700

Small typo!

Not x1700!

Answer 4

Oh dear, you're totally right samith! Sorry!