Wednesday, January 11, 2006

answers from laramae.

what's the difference between discount and sale price ?
well discount is a reduction in the cost of an item and sale price of an item is its regular price minus the discount. So, in short form, discount is what you save and sale price is what you pay. We're most likely to use discount and sale price for shopping, obviously.

example :

lets say you bought a digital camera for $200.00 and you get a 30 % discount.
To get the 30% : change the 30% into a decimal which means dividing by 100 which gives you 0.3
0.3 x $ 200.00 = $60.00
$200.00 - $ 60.00 = $140.00
Therefore you pay $140.00

what's 50% of 70 ?
to calculate 50 % you divide by 2 or cutting it in half.

70÷2=35

50% of 70 is 35
what's 35% of 80 ?

50 % is 40
10 % is 8
5 % is 4
40 - 8 - 4 = 28
Therefore 35 % of 80 is 28 .

So uhhh .. gets? i get it = D






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1 Comments:

At 9:17 PM, Blogger Mr. H said...

Superb. What a great job. Try the new math riddle puzzle at the Sargent Park Math zone. Use the link on the left of your blog.

H

 

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