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July 23, 2014

July 23, 2014

Posted by **K8T** on Tuesday, October 28, 2008 at 9:11pm.

The formula I=prt gives the amouunt of simple interest I earned by principal p at an annual interest rate r over t years. Solve this formula for p.

B. Find p if r=0.035, t=4, and I=$420.

c. Writing.. That does the value p mean in your answer to part B

- algebra -
**jess**, Tuesday, October 28, 2008 at 9:30pmits simple just plug r,t and i

the it would be:-

i = ptr

420 = p*4*0.035

420= .14p

p= 420/.14

p=3000

so p would probably be $3000

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