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OpenStudy (anonymous):
Tom is buying 3 pens for m dollars and 4 notebooks for n dollars. Write a mathematical expression for the amount he is spending.
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OpenStudy (lalaly):
\[3m+4n\]
OpenStudy (anonymous):
c = 3m + 4n
OpenStudy (anonymous):
I wrote an equation, just noticed you just wanted an expression so 3m +4n would be the expression
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