Question

The variable z is inversely proportional to x. When x is 16, z has the value 0.9375. What is the value of z when x= 26?

Answer 1

The problem belongs to indirect variation.

formula for indirect variation is $z*x=k$

we have $x=16$

$z=0.9375$

we know that $k=z*x$

$k=0.9375*16=15$

now we need find $z$ when $x=26$

$z=k/x$

$z=15/26=0.57$