Question
A customer in a coffee shop purchases a blend of two coffees: Kenyan, costing $3.50 a pound, and Sri Lankan, costing $5.60 a pound. He
A customer in a coffee shop purchases a blend of two coffees: Kenyan, costing $3.50 a pound, and Sri Lankan, costing $5.60 a pound. He buys4lb of the blend, which costs him$17.15. How many pounds of each kind went into the mixture?
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Understanding Probability
Authors: Henk Tijms
3rd Edition
1139512765, 9781139512763
