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Need help on math question​
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Need help on math question​

Need help on math question​-example-1
User Amalo
by
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1 Answer

3 votes

Answer:

y = 4.5

Explanation:


(15)/(y)=(40:4)/(12:4)\\\\(15)/(y)=(10)/(3)\qquad\text{cross multiply}\\\\10y=(15)(3)\\\\10y=45\qquad\text{divide both sides by 10}\\\\(10y)/(10)=(45)/(10)\\\\y=4.5

User Benck
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