Get premium membership and access revision papers with marking schemes, video lessons and live classes.
During the year 2001 Samora had forty more goats than sheep and half as many cows as sheep. In a year 2002 his goats increased by 50%, his cows decreased by 10% and his sheep increased by 20%. At the end of 2002 all his animals were 690. Calculate to the nearest whole number the percentage
increase in the number of animals during the year 2002.