-2 -10 -3
-7 0 -8
-6 -5 -4
That's the square, it was a fun puzzle :)
Answer:
11 3/13% per annum
Step-by-step explanation:
to find rate= 100×simple interest ÷ (principal ×time)
simple interest=total amount - principal
=1,500,000-1,300,000
=200,000
=200,000 ×100÷ 1,300,000×4
=3 11/13% per annum
Here is the answer that Siri gave me