12. NOR/whole numbers/G8/C/M Mary bought a dress for R395,00 and sold it for R250,00. Calculate the percentage loss correct to one decimal place. A AB 169,3 % 145,0% C) 36,7% D 58% 13. NOR/whole numbers/G7/RE Janet travelled a total distance of 540 km at an average speed of 120 km/h. How long did she travel? A 13,3 hours B 11 hours C 7 hours D 4,5 hours​