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November 26, 2014

November 26, 2014

Posted by **aj** on Saturday, February 25, 2012 at 10:12am.

and please show me the solution to solve this problem. thanx

sorry bobpursly I cant understand your solution how can i compute this?

- algebra -
**Steve**, Saturday, February 25, 2012 at 3:27pm1/2 + 1/3 = 5/6, so

.05 * x/2 + .04 * x/3 + .055 * x/6 = 570

multiply by 6 to clear fractions:

.05 * x * 3 + .04 * x * 2 + .055 * x = 6*570

.15x + .08x + .055x = 3420

.285x = 3420

x = 12000

.05 * 6000 = 300

.04 * 4000 = 160

.055 * 2000 = 110

Total: 570

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