Posted by kelly on Monday, July 27, 2009 at 6:08pm.
1.60% discount on a 7$ item so item's price is 40% of original so 0.4 x 7= 2.8$?
The original price of an item is $7.00. Now the store wants to get rid of this item, so it advertises 60% off the original price.
You have two ways of finding out how much you'll pay for this item.
A. 60% of $7.00 =
0.6 * 7 = $4.20
$7.00 = 4.20 = $2.80
B. 100% - 60% = 40%
40% of 7.00 =
0.4 * 7 = $2.80
2. A population of 1500 people increases 15% each year how would this question be done? 1500 x .15=225 so the next years population would be 225 + 1500
Yes, that's right.
Another way of solving this to take 115% of 1500.
1.15 * 1500 = 1725
I do not get equations in any way can you help me learn it fast and not so complicated.
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