SOLUTION: y varies inversely with x, and {{{ x = 5.2 }}} when {{{ y = 15.6 }}}. Find the inverse variation equation and use it to find the value of x when {{{ y = 3 }}}

Algebra ->  Expressions-with-variables -> SOLUTION: y varies inversely with x, and {{{ x = 5.2 }}} when {{{ y = 15.6 }}}. Find the inverse variation equation and use it to find the value of x when {{{ y = 3 }}}      Log On


   



Question 871629: y varies inversely with x, and +x+=+5.2+ when +y+=+15.6+. Find the inverse variation equation and use it to find the value of x when +y+=+3+
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
Let k represent the constant of the Inverse Proportion
y = k/x
15.6 = k/5.2
k = 5.2*15.6 = 81.12
y =81.12/x
3 = 81.12/x
x = 81.12/3 = 27.04