If A+A= 2, A+B= 3 & A+B+C= 6 then What is the value of A + B + C * 5?
A. 15
B. 18
C. 21
D. 24
Correct Answer: B (18)
Explanation:
Let’s solve the given equations to find the values of A, B, and C:
From the equation A + A = 2, we can deduce that A = 1.
From the equation A + B = 3, substituting the value of A (1), we get 1 + B = 3. Therefore, B = 2.
Now, we can substitute the values of A and B into the equation A + B + C = 6:
1 + 2 + C = 6
3 + C = 6
C = 3.
We have found the values of A, B, and C as A = 1, B = 2, and C = 3.
Now, let’s calculate the value of
A + B + C * 5:
1 + 2 + 3 * 5
1 + 2 + 15
3 + 15
18.
Therefore, the value of A + B + C * 5 is 18.
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