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Revi and Ariana collect semi-precious stones. At the Rockhound Hut, Ariana paid $24 for 7 pounds of snowflake obsidian. At The Solid Rock Shop, Revi paid $19 for 4 pounds of the same type of stone. Who
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Revi and Ariana collect semi-precious stones. At the Rockhound Hut, Ariana paid $24 for 7 pounds of snowflake obsidian. At The Solid Rock Shop, Revi paid $19 for 4 pounds of the same type of stone. Who made the better buy?

User Abhilash Das
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1 Answer

5 votes
Ariana made-$3.43 per pound
Revi made - $4.75 perpendicular
$3.43<$4.75
So Ariana made the better buy
User Quapka
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8.3k points
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