Question 1205254
.
Ravi’s Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Ravi $5.55 per pound, 
and type B coffee costs $4.35 per pound. This month, Ravi made 125 pounds of the blend, for total cost of $626.55. 
How many pounds of type B coffee did he use?
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<pre>
Let "b" be the pounds of coffee B (the unknown value under the problem's question).


Then the pounds of coffee A is  (125-b).


Write the total cost equation

    5.55(125-b) + 4.35b = 626.55.


Simplify and find "b"

    5.55*125 - 5.55b + 4.35b = 626.55

    -5.55b + 4.35b = 626.55 - 5.55*125

         -1.2b     =     -67.2

             b     =     -67.2/(-1.2) = 56.


<U>ANSWER</U>.  56 pounds of coffee B.
</pre>

Solved.



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In this site, there is entire bunch of lessons covering various types of mixture problems.


Among these lessons, &nbsp;the most relevant to your problem are the lessons

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/word/mixtures/Solving-typical-word-problems-on-mixtures-for-dry-substances-coffee-nuts.lesson>Word problems on mixtures for dry substances like coffee beans, nuts, cashew and peanuts</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/word/mixtures/Word-problems-on-mixtures-for-dry-substances-like-cookies-candies.lesson>Word problems on mixtures for dry substances like candies, dried fruits</A>

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/word/mixtures/Word-problems-on-mixtures-for-dry-substances-like-soil-and-sand.lesson>Word problems on mixtures for dry substances like soil and sand</A>


Read them and become an expert in solution the mixture word problems.