Posted by **paul** on Wednesday, May 5, 2010 at 6:34pm.

Quan is shopping.He can buy 2 pairs of pants and 1 shirt for $79.85 (before tax is added). He can buy 1 pair of pants and 2 shirts for $69.85.(before tax is added). To figure out how much a shirt of a pair of pants cost, you must be able to write the equations. What equations descibe this problem?

a)s + p = $79.85 and s - p = $69.85

b)s + 2p = $79.85 and s + p = $69.85

c)s - p = $79.85 and s + p = $69.85

d)s + 2p = $79.85 and 2s + p = $69.85

and the answer i picked was b

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