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f Leah is 6 years older than Sue, and John is 5 years older than Leah, please read whole question.....?
If Leah is 6 years older than Sue, and John is 5 years older than Leah, and the total of their ages is 41. Then how old is Sue?
A. 8
B. 10 C. 14 D. 19 E. 21
I did the equation (6+x) + (5+6+x) = 41 and came up with 12 which i was able to prove ( (6+x)+(5+6+x) =? 41 (when i did the equation with x as 12, 41 equalled 41). But it's not one of the answers pls help.
2 Answers
- Anonymous1 decade agoFavorite Answer
Let S be Sue's age and so on
L = S + 6
J = L + 5...................but we know that L = S + 5, So J = (S + 5) + 6 = S + 11
So S + L + J = 41 is the same as
(S) + (S + 6) + (S + 11) = 41
3S + 17 = 41
3S = 24
S = 8 <----------------- The answer is (A) 8
.
- 1 decade ago
S = L - 6
J = L + 5
L + S + J = 41
----------------------
S = L + 6
J = L - 5
L + L - 6 + L + 5 = 41
3L = 41 + 6 - 5
3L = 42
L = 14
so...
S = 14-6
S = 8
