What Is A+ B + C • 4?

[nycmathguy]

Review

 

[HallsofIvy]

A+ A= 2A= 2 so what is A?
A+ B= 3 so what is B?
A+ B+ C= 6 so what is C?

Now, what is A+ B+ 4C?

 

[nycmathguy]

A+ A= 2A= 2 so what is A?
A+ B= 3 so what is B?
A+ B+ C= 6 so what is C?

Now, what is A+ B+ 4C?

A = 1

B = 2

C = 3

A + B + 4C = 1 + 2 + 4(3) or 15.