Diana invested $3000 in a saving account for 3 years. she earned $450 in interest over the time period. what interest rate did she earn? use the formula i=prt to find your answers, where i is the interest, p is the principal, r is the rate and t is the time. enter your solution in decimal form rounded to the nearest hundreds

The rate of percentage is 5.00% .

Step-by-step explanation:

Formula

As given

Diana invested $3000 in a saving account for 3 years.

she earned $450 in interest over the time period.

Principle  = $3000

Simple interest = $450

Time = 3 year

Rate = 5%

Therefore the rate of percentage is 5.00% .

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step-by-step explanation: