The Sum Of Two Numbers Is 66 And Their Difference Is 23
The problem given says that 2 unknown numbers are given, whose sum is equal to 66 and the difference is 23. Let's find the two numbers :When we add the two numbers :
X + Y = 66
The difference of two numbers :
X - Y = 23
Solution :
If we add the two equations eachother , then we can find the first number.
|
X + Y = 66 X - Y = 23 2X = 89 |
Let's divide 89 to 2 for the first number "X" .
X/2 = 44.5
First number is 44.5
X + Y = 66
So ;
44.5 + Y = 66
Y = 66 - 44.5
Y = 21.5
Second number is 21.5
Question & Answer
The Sum Of Two Numbers Is 66 And Their Difference Is 23 : 44.5 And 21.5