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The amount of money a yoga teacher earns is directly proportional to the number of students who attend his class. He earns $90 if 12 students attend his class. How much money will he earn if 30 students attend his class?
  • a)
    $36 
  • b)
    $200
  • c)
    $225
  • d)
    $360
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The amount of money a yoga teacher earns is directly proportional to t...
We can call the amount of money the yoga teacher earns if his class has 30 students x.
Set up a proportion: 90/12 = x/30
Cross multiply: 12x = 2700
Divide both sides by 12: x = 225
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Most Upvoted Answer
The amount of money a yoga teacher earns is directly proportional to t...
Given Information:
- The yoga teacher earns $90 if 12 students attend his class.
- The amount of money a yoga teacher earns is directly proportional to the number of students who attend his class.

Calculation:
- Let's calculate the amount earned per student:
Amount earned per student = $90 / 12 students = $7.50 per student
- Now, we need to find out how much money the yoga teacher will earn if 30 students attend his class:
Amount earned with 30 students = $7.50 x 30 students = $225
Therefore, if 30 students attend his class, the yoga teacher will earn $225.
Therefore, the correct answer is option (c) $225.
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The amount of money a yoga teacher earns is directly proportional to the number of students who attend his class. He earns $90 if 12 students attend his class. How much money will he earn if 30 students attend his class?a)$36b)$200c)$225d)$360Correct answer is option 'C'. Can you explain this answer?
Question Description
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