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Music CDs cost $9 each, and movies cost $10 each. If you spend $78 and buy 8 items, how many of each did vou buy?
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Apr 7, 2024
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Music CDs cost $9 each, and movies cost $10 each. If you spend $78 and buy 8 items, how many of each did vou buy?
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Gunjot Singh
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Explanation: 9x2=18 dollars for 2 Music CDs
10x6=70 dollars for 6 Movies
Answer: 2 Music CDs and 6 Movies
Billy Brown
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Apr 9, 2024
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So basically i used the trick that 78 has 8 so for the multiplication of 9 there becomes 18 when 9*2=18
Since 8 items are bought. So it is , two musics CDs and 6 Movies
i.e. 9*2 + 10*6 =78
Lesley
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Apr 14, 2024
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Lesley
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