Homework Help: math

Posted by betty on Thursday, February 1, 2007 at 9:44pm.

still can't solve .32x + .20y = 3.92

it's my last math question for the day!!!!

What do you mean solve it?

suppose you bought some 32 cents stamps and some 20 cents stamps. you spent $3.92 for 16 stamps. how many of each stamp did you buy?

i got the equation--.32x + .20y = $3.92 but don't know how to solve for x and y

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