You would need 16 because 3 × 4 = 12 and you need to do the same to the blue so you would do the equation 4 × 4 = ? which is 16.
It is true because right is the reasons and left are the statements.
Hope this helps :)
118 + 23 = 141
180 = Triangle
180 - 141 = 39
39 is the answer
I'd go with Checking account B because its cheaper .
