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March 26, 2015

March 26, 2015

Posted by **Summer** on Thursday, November 7, 2013 at 7:44pm.

2.A grocer wants to make a mixture of three dried fruits. He decides that the ratio of pounds of banana chips to apricots to dates should be 3:1:1. Banana chips cost $1.17/lb, apricots cost $3.00/lb, and dates cost $2.30/lb. What is the cost per pound of the mixture?

- Algebra -
**Reiny**, Thursday, November 7, 2013 at 9:01pmnumber of nickels = 3x

number of dimes = 8x

number of quarters = x

value of the money = 5(3x) + 10(8x) + 25x = 120x

number of coins = 12x

suppose we have 12x dimes as stated

value of all the those 12x dimes = 10(12x) = 120x

so 120x = 120x

0 = 0 !!!!!

the variables dropped out and the remaining statement is true.

Therefore, there are infinitely many solutions

btw, if the variables drop out, and the remaining statement is false, such as 5 = 9, there would be NO solutions to the problem

- Algebra -
**Summer**, Thursday, November 7, 2013 at 9:10pmThanks a lot!

- Algebra -
**Reiny**, Thursday, November 7, 2013 at 9:14pmYou are welcome,

did you get the 2nd question?

- Algebra -
**Summer**, Thursday, November 7, 2013 at 9:22pmOh yes! I figured it out by myself.

- Algebra -
**Reiny**, Thursday, November 7, 2013 at 9:30pmgood job

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