Dean's coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs deon $4.75 per pound, and type b coffee costs $5.90 per pound. this month, deon made 144 pounds of the blend, for a total cost of $741.50. how many pounds of type b coffee did he use?

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.