SOLUTION: Aldo's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs $4.10 Aldo per pound, and type B coffee costs per $5.15 pound. This month's blend use

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Aldo's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs $4.10 Aldo per pound, and type B coffee costs per $5.15 pound. This month's blend use      Log On


   



Question 1203944: Aldo's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs $4.10 Aldo per pound, and type B coffee costs per $5.15 pound. This month's blend used twice as many pounds of type B coffee as type A, for a total cost of 288.00. How many pounds of type A coffee were used?
Found 3 solutions by josgarithmetic, ikleyn, greenestamps:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
several thousands of these have been solved on this site.

TYPE    PRICE     QTY.      COST
 A       4.10      x        4.1x
 B       5.15     2x        5.15*2x
Blend                        288.00

Understand this, and know what to do with it.

Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.
Aldo's Coffee Shop makes a blend that is a mixture of two types of coffee.
Type A coffee costs $4.10 Aldo per pound, and type B coffee costs per $5.15 pound.
This month's blend used twice as many pounds of type B coffee as type A,
for a total cost of 288.00. How many pounds of type A coffee were used?
~~~~~~~~~~~~~~~~~~

x  = pounds of coffee type A;

2x = pounds of coffee type B.


The total cost equation

    4.10x + 5.15*(2x) = 288.00  dollars.


Simplify and find x

    4.10x + 10.30x = 288

        14.40x     = 288

             x     = 288/14.40 = 20.

ANSWER.  20 pounds of coffee type A.

Solved.



Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


This month's blend uses twice as much of B as A, so the blend is 2/3 of B and 1/3 of A.

The price per pound of the blend, using 2 parts of B and 1 part of A, is

%282%285.15%29%2B1%284.10%29%29%2F3=4.80

Since the total cost of the blend is $288, the number of pounds is 288/4.80 = 60.

One-third of the blend is type A; 1/3 of 60 is 20.

ANSWER: 20 pounds of type A