Find the whole quantity if 40% of it is 800 km. Share with your friends Share 1 Varun.Rawat answered this Let the whole quantity = x kmNow, 40% of x = 800⇒40100×x = 800⇒40x = 80000⇒x = 8000040 = 2000So, the whole quantity = 2000 km -1 View Full Answer Kashvi Dhawan answered this 320 i guess.. 3 Kashvi Dhawan answered this No sorry! 0 Kashvi Dhawan answered this 40x/100=800 4x=100 x=25 -1