90 % sure
The image attached shows an operation that can be represented with whole numbers, becuase there are positive and negative characters.
So, we know by given that there are +4 circles and -7 circles, and the whole can be expressed as the algebraic sum of them,
Therefore, the model can be represented by the number -3, which is the whole because is the result of the operation that represent each type of element.
hope i helped
-lvr
Answer:
The amount of money A pays is
Step-by-step explanation:
Let
x-----> amount of money A pays
y-----> amount of money B pays
we know that
------> equation A
so
------> equation B
substitute equation B in equation A and solve for x
Answer:
Step-by-step explanation:
(19+13)*14/2= 217 sq ft