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tigry1 [53]
3 years ago
6

ANSWER ASAP PLEASE!!!!!!!!!!!! THANKS!!!!!!!!! :)

Mathematics
1 answer:
krok68 [10]3 years ago
6 0

Answer: the answer is A

Step-by-step explanation:

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Rollie was succesful in losing weight he had a goal weight in mind he went on a diet for three months each month he would lose o
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Let's say that in the beginning he weighted x and at the end he weighted x-y, y being the number of kg he wanted to loose.

first month he lost
y/3

then he lost:  
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this is
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explanation: ((y-y/3) is what he still needed to loose: y minus what he lost already

and then he lost
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it's not just y/3 because each month he lost one third of what the needed to loose at the current time, not in totatl

and  the weight at the end of the 3 months was still x-y+3, 3 pounds over his goal weight!


so:  x -y/3-2/9y-4/27y-3=x-y+3

we can subtract x from both sides:
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add everything up:

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which means
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y-6=19/27y

8/27y=6
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so... that's how much he wanted to loose, but he lost 3 less than that, so 23.25

ps. i hope I didn't make a mistake in counting, let me know if i did. In any case you know HOW to solve it now, try to do the calculations yourself to see if they're correct!










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