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1 vote
I don't understand the last one. I got the right answer, but how to do it? (Reply ASAP).

I don't understand the last one. I got the right answer, but how to do it? (Reply-example-1
User Nawa
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8.8k points

2 Answers

2 votes
Denominator, 12 and 9 are on the bottom. and 15 and x are on the right side.
User Giacomo Bartoli
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8.1k points
2 votes
This means For every 12m QS, there will be 9m TV and for every 15 RS, there will be x UV
This works because the triangles are SIMILAR
User Imara
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8.5k points

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