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A dress costs Dh 180. In a sale it is reduced by Dh 20. What is the new price? Underline the key words Circle the numbers Write down formula State the.

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Presentation on theme: "A dress costs Dh 180. In a sale it is reduced by Dh 20. What is the new price? Underline the key words Circle the numbers Write down formula State the."— Presentation transcript:

1 A dress costs Dh 180. In a sale it is reduced by Dh 20. What is the new price? Underline the key words Circle the numbers Write down formula State the problem in mathematical terms Allocate letters Substitute Solve the equation Write your answer as a sentence B A N B = 180A = 20N = ??? B  A = N B - A = N = N 160 = N The new price is Dh 160. % Type 1 % Lukas van Veen Click for the solution / explanation -

2 A clock costs Dh 250. In a sale it is reduced by Dh 50. What is the rate of discount? Underline the key words Circle the numbers Write down formula State the problem in mathematical terms Allocate letters Substitute Solve the equation Write your answer as a sentence B A R B = 250A = 50R = ??? R = A  B R = 50  250 R = 50  250 x 100% = 20% The rate of discount is 20%. % Type 1 % Lukas van Veen

3 A villa costs Dh After a year the villa is sold for 15% more. iWhat is the profit? iiWhat is the selling price? Underline the key words Circle the numbers Write down formulae State the problem in mathematical terms Allocate letters Substitute Solve the equations Use a sentence B R A B = R = 15%A = ? N = ? A = B x R A = x 15  100 A = The profit is Dh , the selling price is Dh % Type 2 % Lukas van Veen N B  A = N B + A = N A = N = N = N Try exercise 7.4: Type 1 & 2 Questions


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