Answer:
To form 100 lb of the mixture we need 25 lbs of $9 coffee beans and 75 lbs of $15 coffee beans.
Step-by-step explanation:
Let <em>x</em> be the number of pounds of $9 coffee beans and y be the number of pounds of $15 coffee beans.
We know that the mixture must weigh 100 lb

and the total cost per pound is given by

Now, we can solve the system of equations

Isolate x for 

Substitute
into the second equation

Isolate y

For
substitute y = 75

To form 100 lb of the mixture we need 25 lbs of $9 coffee beans and 75 lbs of $15 coffee beans.
Answer: the range is 209
Step-by-step explanation: the biggest number minus the smallest will give you the range
9514 1404 393
Answer:
(C) 0.27 × 9 = 2.43
Step-by-step explanation:
Each colored section is 27 small squares, so is 27/100 = 0.27 of the whole. There are 9 colored sections, together totalling 2 wholes plus 43 small squares, or 2.43.
The equation this represents could be ...
0.27 × 9 = 2.43 . . . . . matches choice C
Answer:
=7x
Now,
Putting the value of x= 5 then we get,
=7×5
=35
Hope this helps u
Answer:
128
Step-by-step explanation: