Câu 648 : You have two coins that together add up to 30 cents. One of them is not a nickel (5 cents)...

Question

Câu 648 : You have two coins that together add up to 30 cents. One of them is not a nickel (5 cents). What are the two coins? A. A nickel and a quarter. B. Two dimes. C. A quarter and a penny. D. A dime and a quarter.

Accepted Answer

Câu 648 (VD): You have two coins that together add up to 30 cents. One of them is not a nickel (5 cents). What are the two coins? A. A nickel and a quarter . B. Two dimes. C. A quarter and a penny. D. A dime and a quarter. ∙ Phương pháp giải: Đố mẹo (Riddle). ∙ Giải chi tiết: Tổng 30 cents. Có 2 đồng xu. "Một trong hai không phải là 5 xu" (One of them is not a nickel). -> Đồng kia là 5 xu (nickel), đồng còn lại là 25 xu (quarter). Câu đố chỉ nói "một trong hai" không phải, chứ không nói "cả hai" đều không phải. Tổng: 25 + 5 = 30. Đáp án: A

Câu 648 : You have two coins that together add up to 30 cents. One of them is not a nickel (5 cents). What are the two coins? A. A nickel an...

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