suppose aaron earned 15.75 in interest for account A and 28.00 in interest for account B after 21 months if the simple interest rate is 3.0% for account A and 4.0% for account B wich account has the greater principle explain

Principle for account B is greater.

Step-by-step explanation:

First of all, let us have a look at the formula for Simple Interest:

Where is the principle amount

is the Rate of interest per annum

is the time in years.

Time = 21 months =

Let the Principles be .

Using the formula for Simple Interest, we get:

Therefore, principle for account B is greater.

5x+10 is the correct one

hope this

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step-by-step explanation: