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EastWind [94]
2 years ago
5

Two computers working together can finish a search in 30 seconds. One of these computers can finish in 50 seconds. How long woul

d it take the second computer to finish the same search if it were working alone?
Mathematics
1 answer:
vivado [14]2 years ago
6 0
It would take the second computer 75 seconds because:

\frac{1}{30} - \frac{1}{50} = \frac{1}{75}
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If the dinner altogether costs £64, and there is a 20% tip, that brings the total amount paid to £76.80, and if four people are paying £19 towards the total, then there would not be enough for them to pay for both the meal and the tip, as 19x4 is 76, and the total is £76.80, meaning you need another 80 Pence.

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Hope this helps! Xo


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