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標題:

MATHS-英文題百分數

發問:

1. For a product , cost = $80 , marked price = $120 , and selling price = $96 . (a) What is the profit / loss percentage ? [選擇題]A. 20% profit B. 20% loss C. 50% profit D. 16.7 loss (b) The discount percentage is [選擇題]A. 33.3% B. 20% C. 50% D. 16.7%2. Calculate... 顯示更多 1. For a product , cost = $80 , marked price = $120 , and selling price = $96 . (a) What is the profit / loss percentage ? [選擇題] A. 20% profit B. 20% loss C. 50% profit D. 16.7 loss (b) The discount percentage is [選擇題] A. 33.3% B. 20% C. 50% D. 16.7% 2. Calculate (a) 40% of 500; and (b) x% of x . 3. What percentage of 600 os 100 ? 呢幾條題來自Train Up MATHEMATICS 1 (S.1-S.2)

最佳解答:

1a. Percentage = (96-80) / 80 x 100 % = + 20 % Answer is A. 1b. Discount percentage = (120-96) / 120 x 100 % = + 20 % Answer is B. 2a. 40 % of 500 = 500 x 40 % = 200 2b. x% of x = x(x%) 3. Percentage = 100/600 x 100 % = 16.67 % (cor. to 2 d.p.)

其他解答:

1(a) $80 (1+x%) = $96 (1+x%) = 1.2 ans = A. 20% profit (b) $120 * 0.8 = $96 discount = 20% off ans = B. 20% 2 (a) 500* 0.4 = 200 (b) 1/100 x square 3) 600%

 

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