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Mathematics, 13.12.2021 07:50 naomicervero
9. A 100 kg mixture of two different types of nuts costs $550. If type A costs $4 per kg and type B costs $7 per kg, how many kg of each type were used?
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9. A 100 kg mixture of two different types of nuts costs $550. If type A costs $4 per kg and type B...
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