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Olegator [25]
3 years ago
11

Sophie can type 128 words in 3 minutes. How many minutes will it take her to type 576 words

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

Answer:

13. 5 minutes

Step-by-step explanation:

This is a simple proportion problem. Make two fractions where one item is always on the top and the other on the bottom.

\frac{3 min}{128 words} = \frac{x min}{ 576 words}

Now, cross multiply (multiply the two numbers diagonal from each other and divide  the diagonal with the x value)

576 x 3 = 1, 728

1, 728 / 128 = 13.5

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