Question
3 sisters, Risa, Abi and Barbara, paid a total of $180 for a gift. Risa paid 12 of what the others paid. Abi paid 17 of what the others paid. How much did Barbara pay?
3 m

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3 sisters, Risa, Abi and Barbara, paid a total of $180 for a gift. Risa paid 12 of what the others paid. Abi paid 17 of what the others paid. How much did Barbara pay?