Q: A store is having a 10 percent -off sale It gives an additional 20 percent off if the item is still above 100 after the first discount A jacket costs 124.99Will you get the second discount?

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$25.50 would be the price

$67. Arithmetic will solve this. x-x*0.2 = 53.6, where x is the original sale price. Simplifying gives x*(1-0.2) - 53.6 or x*(0.8) = 53.6. Dividing the 0.8 through gives x = 67. Finding a reduced price is simply subtracting the original price multiplied by the discount (in fraction form from the original price.

Sometimes you will take the absolute value of the percent error because your estimated number could be less than the theoretical, meaning the calculation is negative. But an absolute value is always positive. A percent error can be left as a negative though, and this would be perfectly acceptable (or even preferred) depending on what you're doing.Answer:In the sciences, a negative percent error indicates a low result. If you have a 0% error, then your observed (lab) result was exactly the same as the theoretical result. A 5% error could mean that your observed result was a little high. A negative percent error is possible; if your observed results were lower than the expected, then you would have a negative percent error. A -5% error could mean that your results were a little low. Having a negative percent error isn't worse than positive percent error -- it could mean the same thing. If you were to have a choice in having a 20% error and a -5% error, the negative percent error is more accurate.

25000 x (1.02)14 = 32976.97. For comparison, compounded annually would give 25000 x (1.04)7 = 32898.29, not a huge difference but worth having!

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$25.50 would be the price

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If you know any Sears outlet in Boston then go there for sure they are on sale right now. They offers up to 75 percent discount on anything inside the store.

well there is two ways of answering this...1st waytake the price of the item (lets say $20) and multiply by the decimal equivalent of your percent off.20*.15=3That figured up your discount so to get they price you would pay you simply subtract your discount from the original price to get the sale price.20-3=172nd wayThe other way is to subtract your percent off from 100(since 100% would be full price) to find the percent you would pay.100-15=85then just multiply by the decimal equivalent of your percent that you would pay by the original price to get the sale price.20*.85=17both ways will get you the same result if the values are inserted correctly

89

1 percent

All of the major auto dealers will be having big sales this Memorial Day weekend. They are hoping to boost sales in this lagging economy so you could get a great deal. You may want to check out a Ford as they will be offering an additional $500 discount on many of their models.

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