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Mathematics 10 Online
OpenStudy (anonymous):

A pound of nails cost $2. A pound of screws cost $6. How many pounds of nails are needed for a 5–pound mixture that costs $3.60 per pound?

OpenStudy (mertsj):

2x+6(5-x)=5(3.6)

OpenStudy (mertsj):

x=3 lbs nails

OpenStudy (anonymous):

thank you. can you do my other questions?

OpenStudy (mertsj):

Post it.

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