1.Mrs chan used $60 to buy some mangoes. If the price of each mango is increased by $1 she will buy 2 mangoes less with $60 . Find the original price of each mango
2.mr chan distributes 120 cups evenly into a certain number of boxes . If 3 fewer boxes are used , each boyx has to contain 2 more cups .how many boxes are there originally?
3. The area of an isosceles right -angled triangle is x/2 cm^2 . If the base increased by 2 cm and height is decrease d by 1 cm, the area of new triangle is 14 cm^2. Find x
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