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AnnZ [28]
3 years ago
9

Y is inversely proportional to x . When y = 25 , x = 4 Work out y when x = 20

Mathematics
1 answer:
ehidna [41]3 years ago
7 0

Answer: 125

Step-by-step explanation:

4/25 = 20/Y

Cross multiply to get the equation

4Y = 500

Divide both sides by 4

Y=125

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