Question

Christine's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Christine $5.85 per pound, and type B coffee costs
$4.40 per pound. This month, Christine made
174 pounds of the blend, for a total cost of
$906.25. How many pounds of type A coffee did she use?

Answer 1

if there are a lbs of A, then the rest (174-a) is B. So,

5.85a + 4.40(174-a) = 906.25

Answer 2

the actual answer is 26.

Answer 3

36789