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September 30, 2014

September 30, 2014

Posted by **Erica** on Monday, April 16, 2012 at 4:40pm.

- Math -
**bell**, Wednesday, April 18, 2012 at 2:08amThe formula is PRT=I

P * R * T = I

1st invest: x 8% 1 .08*1*x

2nd invest: y 3% 1 .03*1*y

total:5000 322.50

you will have 2 equations and will use the substitution

x+y=5000 x=5000-y

.08x+.03y=322.50

.08(5000-y)+.03=322.50

and you finish solving from here, hope this helped.

- Math -
**Mary**, Tuesday, April 22, 2014 at 4:27pmThe answer is some number

- Math -
**Sona**, Tuesday, April 22, 2014 at 4:31pm77.8

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