64 is 4 times the difference between Sarah's age, a, and 44. Assume Sarah is older than 44
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The coordinates of other endpoint S is (3, 2)
<h3><u>Solution:</u></h3>Given that midpoint of RS is M
Given endpoint R(23, 14) and midpoint M(13, 8)
To find: coordinates of the other endpoint S
<em><u>The formula for midpoint is given as:</u></em>
For a line containing containing two points and
midpoint is given as:
Here in this problem,
m(x, y) = (13, 8)
Substituting the given values in above formula, we get
Comparing both the sides we get,
Thus the coordinates of other endpoint S is (3, 2)