An amount P , invested at a simple interest rate r , will grow to an amount A in t years according to the formula $A = \rho ( 1 + r t )$ . Suppose a man invested some money at 5.1%. If after 5 years, he had $7,216.25 on deposit, what amount did he originally invest?
A) $5,760.00
B) $5,750.00
C) $5,720.00
D) $5,710.00
E) $5,770.00

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The Answer of An amount P , invested at a simple interest rate r , will grow to an amount A in t years according to the formula $A = \rho ( 1 + r t )$ . Suppose a man invested some money at 5.1%. If after 5 years, he had $7,216.25 on deposit, what amount did he originally invest?
A) $5,760.00
B) $5,750.00
C) $5,720.00
D) $5,710.00
E) $5,770.00

An Amount P , Invested at a Simple Interest Rate A=ρ(1+rt)A = \rho ( 1 + r t )A=ρ(1+rt)

An Amount P , Invested at a Simple Interest Rate $A = \rho ( 1 + r t )$