Asked by Sarah JJ

Please help me to solve this....

The average of two numbers is 81. The difference between the number is 26. What is the smaller number?
Answered by Damon
[ a+b ]/2 = 81
so
a+b = 162

but b = a+26
so
2 a + 26 = 162
2 a = 136
a = 68
Answered by Paul
the average of three number is 25. two of the numbers are 18 and 40 what is the third number?
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