Elizabeth has 20 dollars and wants to buy pens and pencils. Each pencil costs $1.60 and each pen cost 2 dollars. How many pencils can she buy with her 20 dollars if she wants 6 pens?
Thoughts? Step-by-step reasoning:
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Elizabeth spends 6 * 2 = 12 dollars on pens. Elizabeth has 20 - 12 = 8 dollars to spend on pencils. Elizabeth can buy 8 / 1.6 = 5 pencils.
Thus, the answer is 5.
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