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April 20, 2014

April 20, 2014

Posted by **sherry** on Thursday, March 22, 2012 at 9:13am.

- Algebra -
**Reiny**, Thursday, March 22, 2012 at 10:14amlet the amount of goldfish needed by x g

then the amount of pretzels needed is 620-x g

.4x + .09(620-x) = .15(620)

times 100

40x + 9(620-x) = 15(620)

40x - 5580 - 9x = 9300

31x = 14880

x = 480

Needed: 480 g of goldfish, and 140 g of pretzels

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