I am not 100% sure but I am pretty sure the answer is (3,-1,4)
Answer:3.42
Step-by-step explanation:to get the answer to a area equation you need to multiply the length by the width.
We have the following:
To calculate the total money, you have to add the amounts that Paula won, as follows
Which means that in total they are $ 14.95
Let x represent the number of pounds of $10.75/lb coffee used in the mix.
.. 10.75x +3.25(100 -x) = 5.65*100 . . . . . . total cost of coffee blend
.. x(10.75 -3.25) = 100*(5.65 -3.25) . . . . . .separate x-terms from non-x terms
.. x = 240/7.5 = 32
32 pounds of $10.75/lb coffee should be used
68 pounds of $3.25/lb coffee should be used
