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JulsSmile [24]
3 years ago
12

Sergio bought 1 yard of yellow yarn. he used 21 inches of this yarn for a project. what part of the yarn that he bought did he u

se?
Mathematics
1 answer:
Eduardwww [97]3 years ago
4 0
About 66 percent of the yarn
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Step-by-step explanation:

We are given the scale on the map, which is that 1 inch is 25 miles in real life. We can write that as a ratio of 1 inch: 25 miles. Now say we have two inches, then we have 50 miles because we add on another 25 miles, then we do that again and we get to 75 miles.

Another way to think about it (more complicated):

you can represent ratios as a fraction

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let's look at it in this concept.

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