Question

9/(x - 8) = 4/5 how to solve this proportion

Answer 1

`(9)/(x-8)=(4)/(5)`
Cross multiply:

`(9)(5)=(4)(x-8)`
Simplify:

`45=4x-32`
Group like terms:

`77=4x`
Solve for x by division:

`x=(77)/(4)`

`x=19.25`