SOLUTION: what number decreased by 33 1/3% is 30? 16 is 25% more than what number? An item sells for $45 after a 20% discount. Find the original price. What is 66 2/3% less than 45?

Question 91332: what number decreased by 33 1/3% is 30?
16 is 25% more than what number?
An item sells for $45 after a 20% discount. Find the original price.
What is 66 2/3% less than 45?
A price plus 6% tax is equal to $4.24. Find the original price.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
what number decreased by 33 1/3% is 30?
Let "x" be the number:
x-(33 1/3)x =30
0.667x= 30
x = 44.98
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16 is 25% more than what number?
Let the number be "x".
16 = 0.25x
x = 64
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An item sells for $45 after a 20% discount. Find the original price.
Let the original price be "x"
x - (20%)x = 45
0.80x = 45
x=?
I'll leave that to you.
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What is 66 2/3% less than 45?
Let "x" be the answer
x = 45 - (0.667)x
(1+0.667)x = 45
(1.667)x = 45
x = ?
---------------------
A price plus 6% tax is equal to $4.24. Find the original price.
Let original price be x.
x + 0.06x=4.24
1.06x = 4.24
x = ?
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Cheers,
Stan H.
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