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OpenStudy (anonymous):
A man bought 42 stamps, some 13¢ and some 18¢. How many of each kind did he buy if the cost was $6.66?
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OpenStudy (lgbasallote):
let x = 13 c stamp y = 18 c stamp x + y = 42 12x + 18y = 666 solve the system does that help?
OpenStudy (anonymous):
so y=24 and x=18 ?
OpenStudy (lgbasallote):
is that what the calculator said?
OpenStudy (anonymous):
yea
OpenStudy (lgbasallote):
well then i cant argue
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OpenStudy (anonymous):
haha ok thanks.
OpenStudy (lgbasallote):
welcome
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