Question

the average of two numbers a and b is given by
A = a + b / 2 and the average of two numbers is 75 and one of the numbers is 91 then what is the other number solve and show work

Answer 1

\[A= \frac{a+b}2\]
with A given as 75 and a given as 91
\[75=\frac{91+b}2\]
\[150= 91+b\]
\[59 = b\]