คณิตศาสตร์ มัธยมต้น เกือบ 2 ปีที่แล้ว

Ahmad and Shen share some money in the ratio 4: 5Ahmad gets $36. a How much money does Shen get? And How much money do they share?

7 The diagram shows a rectangle. Work out the area of the rectangle. Show all your working. 4 m m