Question

Salma's coffee shop makes a blend that is a mixture of two types of coffee. type a coffee costs salma $5.95 per pound, and type b coffee costs $4.45 per pound. this month's blend used twice as many pounds of type b coffee as type a, for a total cost of $490.05 . how many pounds of type a coffee were used?

Answer 1

Answer:

x=33

Step-by-step explanation:

5.95(x)+4.45(2x)=490.05

x=33

Answer 2

For this case, the first thing we must do is define variables.
 We have then:
 x = pounds of type a coffee
 y = pounds of type b coffee
 We now write the system of equations:
 5.95x + 4.45y = 490.05
 y = 2x
 Solving the system of equations we have:
 x = 33
 y = 66
 Answer:
 were used 33 pounds of type a coffee