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

Ok my math assignments look something ike this...

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

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