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Mathematics, 19.10.2019 15:30 deidaralove90

Heidi paid $18 for 7 pairs of socks. she bought wool socks that cost $3 per pair and cotton socks that cost $2 per pair. how many pairs of socks did she buy?

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Heidi paid $18 for 7 pairs of socks. she bought wool socks that cost $3 per pair and cotton socks th...
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