SOLUTION: Rewrite in two unknowns. Let x and y represent the two unknown quantities. Define what x and y represent. A storekeeper wishes to mix tea worth $15/kg with tea worth $19/kg to mak

SOLUTION: Rewrite in two unknowns. Let x and y represent the two unknown quantities. Define what x and y represent. A storekeeper wishes to mix tea worth $15/kg with tea worth $19/kg to mak

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Question 179761: Rewrite in two unknowns. Let x and y represent the two unknown quantities. Define what x and y represent.
A storekeeper wishes to mix tea worth $15/kg with tea worth $19/kg to make a mixture at $17.20/kg.
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
the two unknowns are the amounts of $15/kg tea, which we will call x,
:
and the amount of $19/kg tea which we will call y.
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