Question

A Model NV 300 acoustic- electric guitar I being sold for a list price of 1,899.90 with a cash discount of 3/10, n/30. Sales tax is 7% and shipping is $30.40. How much is the final price if the cash discount period was met?

Answer 1

I can help you if you tell me what 3/10, n/30 means.

Answer 2

Im not sure the problem came that way.

Answer 3

Ah - let's assume it means a 30% discount.
You need to be careful about what the percentages apply to.
you start with the base amount of 1899.9
then do the discount which I'm guessing is 30%.
so 1899.9 *(1-0.3) or 1899.9*0.7
Then you add sales tax.
so 1899.9*(1-0.3) *(1+0.07)
Then add shipping (assuming it is not taxed)
so 1899.9*(1-0.3) *(1+0.07) + 30.40

Answer 4

sorry you lost me

Answer 5

Where

Answer 6

Then you add sales tax.
so 1899.9*(1-0.3) *(1+0.07)
Then add shipping (assuming it is not taxed)
so 1899.9*(1-0.3) *(1+0.07) + 30.40one second ago
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sorry you lost me
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Where
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Answer 7

Adding sales tax is the problem?

Answer 8

When you add a percentage amount, you also have the original amount. So if you had something costing 200 then added 7% sales tax it will be the original 200 plus 7% of 200.
a quick way to write that is 200 times (1 + 7%) or 200 * 1.07.

Answer 9

To increase by a percentage you multiply by 1 + the percentage.
To decrease by a percentage you multiply by 1 minus the percentage.

Answer 10

Is that what the problem was?