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zhannawk [14.2K]
2 years ago
15

Five books and four pens cost $800. One book costs $120. How much does one pen cost?

Mathematics
1 answer:
cestrela7 [59]2 years ago
3 0
The cost of each pen is $50, because you spend $600 on books leaving $200 to buy FOUR pens, making it $50 per pen
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