# math

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what is the cost of 3 notebooks at 20% discount, a binder
at 25% discount, and 2 pens.

1 notebook: \$1.79
1 pen: \$2.89
1 Binder: \$3.19

• math -

3*1.79*(1-.20) + 1*3.19*(1-.25) + 2*2.89 = 12.47

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