SOLUTION: Suppose that y varies directly as the square root of x, and that y=43 when x=324. What is y when x=172? (Round off your answer to 2 decimal places.)

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Question 1149712: Suppose that y varies directly as the square root of x, and that y=43 when x=324. What is y when x=172? (Round off your answer to 2 decimal places.)
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+y+=+k%2Ax+
+43+=+k%2Asqrt%28324%29+
+k+=+2.3889+
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+y+=+k%2Asqrt%28172%29+
+y+=+2.3889%2A13.1149+
+y+=+31.33+
check the math