Question
What is the value of XXX + XL?
Answer: Option C
:
C
We know that X = 10 and L = 50.
When a Roman numeral with the larger value is on the left, we add the values together and when it is on the right, we subtract the values.
∴ XL = 40
Also,XXX = 10 + 10 + 10 = 30.
∴ XXX + XL = 40 + 30 = 70
But, 70 = 50 + 10 + 10 = L + X + X = LXX.
∴ XXX + XL =LXX
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:
C
We know that X = 10 and L = 50.
When a Roman numeral with the larger value is on the left, we add the values together and when it is on the right, we subtract the values.
∴ XL = 40
Also,XXX = 10 + 10 + 10 = 30.
∴ XXX + XL = 40 + 30 = 70
But, 70 = 50 + 10 + 10 = L + X + X = LXX.
∴ XXX + XL =LXX
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