Problema Solution

The value of an investment at simple intrest is given by the formula A= P+Prt. A is the final value after t years at the interest rate r (as a decial) if the initial amount P is invested. How long must $200 be invested at 8% interest to reasch a value of $248?

Answer provided by our tutors

P = $200

r = 0.08

A = $248

t = ?


A= P+Prt


P + Prt = A


200 + 200*0.08*t = 248


by solving the equation we find


t = 3 years


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the money should be invested in a time period of 3 years.