Question

(c) 40% of it is 500 km.​

Answer 1

let 40% of x=500

40/100x=500

x=500*100/40

x=1250

Your answer is therefore 1250km

Answer 2

40% of x=500

40/100x=500

x=500*100/40

x=1250

Your answer is therefore 1250km