This question is true. Because when you cross mutiple (X x 4the question is true because when you plug in the X it is 10, correct? When you cross multiply, meaning the first numerator times the second denominator. Which would be 10 x 4 that is 40. You do the same thing on the other side. 8 times 5. That is also 40. Both of the fractions are true because they both equal 40. That simplified it to 1. 40/40 is 1