Mathematics, 08.01.2021 06:00 abdirahmansoloman

A shop sells a party hat at x dollars and a mask at y dollars. On a particular morning, 10 hats and 20 masks were sold for $30. In the afternoon, 8 hats and 10 masks were sold for $18. What is the cost of one hat and one mask? Let Hat be "H" and Mask be "M"

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A shop sells a party hat at x dollars and a mask at y dollars. On a particular morning, 10 hats and...

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