help me bump up 5% in math and i will do any thing
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OpenStudy (skullpatrol):
Where are you now?
OpenStudy (anonymous):
@skullpatrol i am at a 64.2%
OpenStudy (anonymous):
please help me @phi
OpenStudy (phi):
what is the question?
OpenStudy (anonymous):
The cost of a jacket increased from $70.00 to $77.00. What is the percentage increase of the cost of the jacket?
10%
1%
90%
7%
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OpenStudy (phi):
what is new price minus original price ?
OpenStudy (anonymous):
7
OpenStudy (phi):
and what is the fraction (new - original)/ original ?
OpenStudy (anonymous):
1.1
OpenStudy (phi):
?
(new - original) = 7 (that is what you figured out)
original is 70
what is 7/70 ?
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OpenStudy (anonymous):
76
OpenStudy (phi):
7 divided by 70 is ?
OpenStudy (anonymous):
0.1
OpenStudy (phi):
now change the decimal to a percent: multiply by 100 and add on a % sign
OpenStudy (anonymous):
10
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OpenStudy (anonymous):
i need to reach over 70% and now i am at a 64.5% can u help me
OpenStudy (phi):
not just 10
10%
the % means 10 divided by 100 . if you leave off the %, 10 means 10
OpenStudy (anonymous):
i need to reach over 70% and now i am at a 64.5% can u help me @phi and @skullpatrol
OpenStudy (anonymous):
please :'(
OpenStudy (skullpatrol):
Percent of price change/100 = change in price/ original price
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OpenStudy (anonymous):
can u help me with the rest please :'(
OpenStudy (skullpatrol):
Stop crying!
OpenStudy (anonymous):
i am so close and no one will help me
OpenStudy (anonymous):
completely
OpenStudy (anonymous):
i am at a 65.8% and i need to get over 70%
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OpenStudy (skullpatrol):
Askaway :)
OpenStudy (anonymous):
The value of a professional basketball player's autograph rose 20% in the last year. It is now worth $276.00. What was it worth a year ago?
$210.00
$240.00
$250.00
$230.00
OpenStudy (skullpatrol):
Any ideas?
OpenStudy (anonymous):
i subtracted it and got 220.8
OpenStudy (skullpatrol):
Subtracted what from what?
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OpenStudy (anonymous):
20% - 276.00
OpenStudy (skullpatrol):
Why would you do that?
OpenStudy (anonymous):
what
OpenStudy (skullpatrol):
20% -276.00
OpenStudy (anonymous):
256
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OpenStudy (skullpatrol):
Where did you get 256 from?
OpenStudy (anonymous):
20% - 276.00 = 256
OpenStudy (skullpatrol):
20% = 0.20
OpenStudy (skullpatrol):
0.20 - 276.00 =/= 256
OpenStudy (anonymous):
just so u know my computer lags a lot so please don't go if i don't answer back in like 5min sometimes
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OpenStudy (skullpatrol):
Mine too :(
Perhaps you should post a new question?
OpenStudy (anonymous):
i will tag u
OpenStudy (skullpatrol):
The value of a professional basketball player's autograph rose 20% in the last year. It is now worth $276.00. What was it worth a year ago?
Try $276 is to 1.20 as x is to 1.00
OpenStudy (anonymous):
i tagged u
OpenStudy (skullpatrol):
$$\Huge \dfrac{276}{1.20}= \dfrac{x}{1.00}$$
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OpenStudy (anonymous):
i opened a new question and tagged u
OpenStudy (skullpatrol):
That^ will give you the answer :)
OpenStudy (anonymous):
Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $256 in interest after 2 years. How much money should he deposit?
$4,096
$80
$8,000
$800