Joan is 5 years older than Ellen, and 3 years ago their sum of their ages is 17, in how many years will Joan be 21?
1 answer:
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Note: Let us consider, we need to find the and
.
Given:
In the given figure, BD is the angle bisector of ABC.
To find:
The and
.
Solution:
BD is the angle bisector of ABC. So,
Divide both sides by 2.
Now,
And,
Therefore, and
.