In a cafetaria, 60 pizzas are sold in 3 hours. At the same rate, how many pizzas would have been sold in 12 hours?
Rashi can travel 4 hours after having a Pizza, while Rashid can travel for 6 hours after having a pizza. How many more hours can Rashid travel than Rashi after having a Pizza? Express in terms of percentage. [2 MARKS]