Worded problems Isabella went to a coffee shop to buy some coffee for her and her friends. She paid \$16 for all the coffee for her and her 3 friends. She also bought 4 kilogram of cookies. If Isabella paid a total of \$24 for the cookies and coffees, how much did the cookies cost per kilogram and how much did one cup of coffee cost.? Let c = cost per kilogram and x = cost of one cup of coffee.
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We know that Isabella paid $16 for all the coffee for herself and her 3 friends. So, the cost of the coffee is 4x (since there are 4 cups of coffee). We also know that Isabella paid $24 for the cookies and coffees. So, the cost of the cookies is 4c (since there Show more…
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Translate to a system of equations and solve. Julia and her husband own a coffee shop. They experimented with mixing a City Roast Columbian coffee that cost $\$ 7.80$ per pound with French Roast Columbian coffee that cost $\$ 8.10$ per pound to make a twentypound blend. Their blend should cost them $\$ 7.92$ per pound. How much of each type of coffee should they buy?
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