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a package of pencils costs $1.25. A new eraser cost $0.45. Write an expression to find the total cost of 3 packages of pencils and 2 eracers. Then find the total cost.

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KOHomerworkid
You would have to do this (1.25X3)+(0.45X2)=x then x=4.65, because 3X1.25=3.75 and 2X0.45=90 and 3.75+90=4.65

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