# ACT Math : How to find the sale price

## Example Questions

### Example Question #21 : How To Find The Sale Price

Ann wants to buy a  sweater that's  off. She also has a coupon for  off the sale price. (This coupon is applied after the price due to the  off sale is calculated.) After the sale discount and the coupon, how much will the sweater cost?

Explanation:

To find the sale price, first find % of $:$

Subtract this amount from  to find the sale price:

Finally, subtract the  coupon:

### Example Question #21 : Sale Prices

A shirt was originally ,  but the manager of the store decided to mark it down by .  What is the new cost of the shirt after this?

Explanation:

There are two ways to do a question like this. The first is to find out what the  markdown is. We do this by multiplying:

to get

Then, you subtract this from  to get .

The other way to solve this is to notice that the total cost of the shirt will be only  of the original price. Therefore, you can multiply  by  to get  as well.

### Example Question #1291 : Act Math

book is marked down by  and then by another . What is its final sale cost?

Explanation:

book is marked down by  and then by another .  What is its final sale cost?

You can do a problem like this two ways. For the first way, you can first multiply:

to get

Subtracting this from , you get a price of .

Now, you do the same thing again for the  :

Subtracting this from , you get .

The easier way to do problems like this is to notice that after the  discount, the price will be  of the original. Then, after the  discount, it will be  of that altered price. You can just multiply sequentially to get your amount:

### Example Question #21 : How To Find The Sale Price

James goes to the store to buy a new pair of shoes. He sees a pair he likes for  that are marked  off. Ignoring sales tax, how much does James pay for the shoes? Round to the nearest cent.

Explanation:

To find how much is remaining after  is taken off, subtract  from  (the total price of the original pair of shoes) and multiply it by the shoe's price.
which rounds to

### Example Question #21 : How To Find The Sale Price

How much do you save if you bought a shirt that normally costs 19.99 at a 25% discount? Ignore sales tax and round your answer to the nearest cent.

Explanation:

To find how much money you save on a sale. Turn the sale percentage into a decimal and multiply it by the normal price:

### Example Question #21 : Sale Prices

Denzel is going to the store to buy a guitar. He sees one he likes that's listed at  but on sale for  off. How much will Denzel pay if he chooses to buy the guitar (ignore sales tax, round to the nearest cent)?

Explanation:

To find the sales price of an item given that it is  off, first subtract  from . This gives , which means Denzel is paying for  of the guitar's original price. Next, convert that into a decimal and multiply by the guitar's cost:

### Example Question #27 : How To Find The Sale Price

Julie only has to spend on a prom dress on tax free weekend.  She has narrowed her search down to her four favorites:  a red dress costing  but marked down  a blue dress costing  marked down , a yellow dress costing  marked down , and a purple dress costing  marked down .  Which dress can Julie buy?

red dress

She cannot afford any of the dresses.

purple dress

blue dress

yellow dress

yellow dress

Explanation:

This is a percentages problem.  To find the price of an item on sale by a certain percentage, you subtract that percentage decimal from 1.0, and multiply that number by the cost of the dress. Then, you compare that number to the amount she has to see if she can afford it.

Red dress price=

Blue dress price=

Yellow dress price=

Purple dress price=

Since the yellow dress is the only dress under her total amount of money, that is the only dress she can afford.

### Example Question #21 : Sale Prices

To find the sale price for a single item or group of like items, one can use the equation , where  is the discounted price,  is the original price, and  is the percent to be discounted in decimal form.

A pair of headphones normally sells for . If the headphones are on a -off discount, how expensive are they?

Explanation:

To find the new sale price, apply the discount to the original price in decimal form.

--->

### Example Question #22 : How To Find The Sale Price

To find the sale price for a single item or group of like items, one can use the equation , where  is the discounted price,  is the original price, and  is the percent to be discounted in decimal form.

A car ordinarily sells for , but a savvy consumer walks out having paid only  of that price. How much did the customer pay?

Explanation:

Applying our equation from above:

--->

So, the customer paid , or  of the original price.

### Example Question #21 : Sale Prices

To find the sale price for a single item or group of like items, one can use the equation , where  is the discounted price,  is the original price, and  is the percent to be discounted in decimal form.

Some clothes are on sale at  off retail. If a customer buys three pairs of jeans for a total of , what was the original price of one pair of jeans?

Explanation:

We can apply our formula, but first we should divide the total price by , then fill in what we know:

--->

So, one pair of jeans without discount costs .