4. Eddie and Caroline are going to the school play. Eddie buys 4 adult tickets and 3 child tickets. He pays $81.
Caroline buys 7 adult tickets and 2 child tickets. She pays £119
Work out the cost of an adult ticket and the cost of a child ficket​

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?