Please help! You don’t have to explain how you got the answer! Tysm.

Mathematics

1 answer:

alexgriva [62]2 years ago

8 0

1.) .777777778
2.) .8
3.) .6
4.) .285714286
5.) .15

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Haha, part of my final today was about this! Don't worry, I got you!
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So... 4 folks, working for 8hours per day, do it in 15days

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so, the whole job really takes 480 hours

now hmm let's see, the firm decides to increase the folks, but decrease the hours, so, 5 folks each working 6hours every day

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how long will it take them if they only do 30 workhours everyday?

well the whole job is 480hours

$\bf \cfrac{30hrs}{day}=480hrs\implies \cfrac{30hrs}{480hrs}=day\implies \cfrac{1}{16}=day
\\\\\\
\textit{so, if they do }\frac{1}{16}\textit{ daily, to complete, they'd need }\frac{16}{16}\\
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\textit{for the whole, thus }16 days$

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