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anonymous
 5 years ago
Kim bought 4 shirts and 3 pairs of jeans for 109.85.
Jim bought 6 shirts and 1 pair of jeans for 94.95
The shirts and the jeans all cost the same amount. What is the cost, in dollars, of one pair of jeans?
anonymous
 5 years ago
Kim bought 4 shirts and 3 pairs of jeans for 109.85. Jim bought 6 shirts and 1 pair of jeans for 94.95 The shirts and the jeans all cost the same amount. What is the cost, in dollars, of one pair of jeans?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Damn, she likes clothes.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0If a is the cost of shirts and b is the cost of jeans:\[4a+3b=109.85\]\[6a+b=94.95\]You can just solve these equations simultaneously to get the answer.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0or write \[b=94.956a\] and substitute. either way

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0That is solving them simultaneously.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0But do I want to substitute for b (cost of jeans) if i'm trying to find the cost of the jeans? Shouldn't i subsitute for a ?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Yes, but sometimes its easier to find b first and then find a.
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