Calculate the value of x if 90 of x is 315 km.
Question 18
If 90 % of x is 315 km, then the value of x is (a) 325 km (b) 350 km (c) 405 km (d) 340 km
Question 5
If 90% of x is 315 km, then the value of x is (a) 325 km (b) 350 km (c) 350 m (d) 325 m