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ilovepickles930
30.01.2020 •
Mathematics
Your purchase of cds and dvds has a total of 7 items. cds cost9 each and dvds cost 15 each. the total purchase costs 87 write and solve a system of equations to find x of cds and y or dvds that you purchased.
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Ответ:
I don't know how to use the equation to answer it, but 4 DVDs were bought, and 3 CDs were bought.
Ответ:
1.2
Step-by-step explanation: