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If y = 285 when x = 57, what is y when x = 81?

If y = 285 when x = 57, what is y when x = 81?
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If y = 285 when x = 57, what is y when x = 81?

User Karthikeyan Gopall
by
8.0k points

1 Answer

1 vote
Use a proportion.

285/57 = y/81

57y = 81 * 285

57y = 23,085

y = 405
User Jon Trauntvein
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7.7k points
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