1. The total shaded area must be 2/8 = 1/4 of the whole area.2.He will need 6 tenth size strips to have an equivalent of 3/5.3.320 (40*8)
4.divide the total number of cards by the total number of persons; total number of cards: 1,200 total number of persons: 4 (3 friends and Maria) 1,200 ÷ 4 = 300 so each person will get 300 cards.
5. so, there are six groups of 3 students each. This means that there are 18 students in total. Each of these students sells the same about of balloons: so we can divide the total number of sold balloons; 162 by 18: which means that each student sold 9 balloons!!