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Elina [12.6K]
3 years ago
15

Sierra makes 8 friendship bracelets in 2 hours.how long does it take her to make 1?

Mathematics
1 answer:
Semenov [28]3 years ago
5 0

Answer:

2 hours = 120 minutes so it takes her 120 / 8 = 15 minutes to make one.

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Answer:

We want to craft:

a/b and c/d

where a, b, c and d can be 2, 3, 4 and 5.

Such that the distance in the number line between these two numbers is maximized.

Then we want one number to be really small, and the other to be really large.

Remember two things:

for numbers like a/b.

if a is smaller than b, then a/b is smaller than 1.

Now, if a is larger than b, then a/b is larger than 1.

And two things,

1/10 = 0.1

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Then we want to have:

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And the two remaining options in such way that the numerator is smaller than the denominator:

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The distance between these two numbers is:

D = 5/2 - 3/4 = 10/4 - 3/4 = 7/4.

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