System of equations to be solved simultaneously
Answer: 8
Step by step explanation: 5 times 24 equals 120, 120 divided by 15 equals 8 which is the answer!
Answer:
Principle for account B is greater.
<em></em>
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, <em>principle for account B is greater</em>.
You need to provide a picture of the data or else nobody can solve it.