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Re: another logic question for you c&g

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Skelecore is not online. Skelecore
Joined: 13 Mar 2015
Total Posts: 1447
28 Aug 2015 03:41 PM
the last answer with lilly pads and the lake: 47

Why? If the lake is filled on the 48th day, and the lake doubles in size, that means that the 47th day would have been half sized.


But tell me this, if a bat and a ball costs $10.66, and the ball is exactly five dollars less than the ball, how much does the bat cost?



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fadedsupersaiyan is not online. fadedsupersaiyan
Joined: 16 Mar 2011
Total Posts: 870
28 Aug 2015 03:43 PM
ball is exactly five dollars less than the ball
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davisky2 is not online. davisky2
Joined: 04 Mar 2012
Total Posts: 4710
28 Aug 2015 03:43 PM
What? And how did i get here?
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Yan117 is not online. Yan117
Joined: 15 Mar 2011
Total Posts: 21994
28 Aug 2015 03:43 PM
the ball is 5 dollars less than the ball?
huh?
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crome60 is not online. crome60
Joined: 22 Nov 2008
Total Posts: 15266
28 Aug 2015 03:44 PM
"and the ball is exactly five dollars less than the ball"
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PH4NT0MH1V3 is not online. PH4NT0MH1V3
Joined: 17 Sep 2010
Total Posts: 5611
28 Aug 2015 03:44 PM
"the ball is exactly five dollars less than the ball"
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Yan117 is not online. Yan117
Joined: 15 Mar 2011
Total Posts: 21994
28 Aug 2015 03:45 PM
is this a trick question?
5.66?
what?
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Skelecore is not online. Skelecore
Joined: 13 Mar 2015
Total Posts: 1447
28 Aug 2015 03:45 PM
the ball is exactly five dollars less than the bat*

my bad i was having a moment while thinking of a way to change up the normal question


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Skelecore is not online. Skelecore
Joined: 13 Mar 2015
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28 Aug 2015 03:49 PM
come on c7g


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Skelecore is not online. Skelecore
Joined: 13 Mar 2015
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28 Aug 2015 03:53 PM
r u all stoopid


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AGhostCalledScotty is not online. AGhostCalledScotty
Joined: 02 Dec 2008
Total Posts: 4312
28 Aug 2015 03:54 PM
seems like a basic algebra question
let's assume that the bat is x
that would mean the ball is x - 5.00
x + x - 5.00 = 10.66
2x - 5.00 = 10.66
2x = 15.66
x = 7.83
7.83 - 5.00 = 2.83
7.83 + 2.83 = 10.66
B)


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AGhostCalledScotty is not online. AGhostCalledScotty
Joined: 02 Dec 2008
Total Posts: 4312
28 Aug 2015 03:54 PM
oh whoops forgot to specify that the bat costs 7.83$ and the ball costs 2.83$


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AGhostCalledScotty is not online. AGhostCalledScotty
Joined: 02 Dec 2008
Total Posts: 4312
28 Aug 2015 03:56 PM
come on teacher aren't you gonna praise me
i even checked my work and everything


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Skelecore is not online. Skelecore
Joined: 13 Mar 2015
Total Posts: 1447
28 Aug 2015 03:56 PM
wow someone actually did it logically and mathematically7

and the exact way it should be done too


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Zapolean is not online. Zapolean
Joined: 05 Apr 2012
Total Posts: 9217
28 Aug 2015 03:58 PM
was going to actually go to do it then saw comments


zap zap
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AGhostCalledScotty is not online. AGhostCalledScotty
Joined: 02 Dec 2008
Total Posts: 4312
28 Aug 2015 03:58 PM
yeah i know people actually solving problems on c&g
feels weird doesn't it
but yeah this is why i'm an A student B) B) B) B)


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Isosta is not online. Isosta
Joined: 10 May 2015
Total Posts: 14729
28 Aug 2015 03:59 PM
Why are you giving c&gers 8th grade math problems
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Skelecore is not online. Skelecore
Joined: 13 Mar 2015
Total Posts: 1447
28 Aug 2015 04:03 PM
x = item
the integer (in this case, the amount that the item you want is higher or lower than, so 5)

in this scenario we have two item so that's 2x, and the integer is 5.

so 2x + 5.00

we also have the total price, 10.66

2x + 5.00 = 10.66

now all you have to do is apply algebra laws such as "change side, change sign" which means, if it's a "+" it turns "-" and a multiple turns into a divide, and vice versa

2x = 10.66 - 5.00
2x = 5.66

now 2x means 2 multiplied by x
so lets go ahead and apply the change side change sign rule again

x = 5.66 / 2
x = 2.83

meaning the item that is "5 dollars" less or more is 2.83, so that means the price of what you want is

2.83 + 5.00
7.83


good job though my dude


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