Question

The cost of 19/1m wire is 171/2. What is the cost of 1m wire??

Answer 1

Hope this helps u.....

Answer 2

cost of 19/1 m wire is 171 /2
so x1=19
y1=171/2
x2=1
y2= ?
so we can have
x1/y1=x2/y2
19÷171/2=1/x
or
19*2/171=1/x
38/171=1/x
x=171/38