Question

. If x and y vary inversely as each other, and x=10 when y=6. Find y when x=15
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Answer 1

Since x and y vary inversely as each other, therefore the product xy always remains constant.  

10×6=15×y

⇒60=15y

⇒y=$\frac{60}{15}$

⇒y=4

Answer:-

Y = 4