Answer :
Answer:
x + y -1
Explanation:
Given the following
[tex]\log _25=xandlog_23\text{ = y}[/tex]log2 7.5
= log2 (15/2)
= log2(5*3) - log2 2
= log2 5 + log2 3 - log2 2
Note that log2 2 = 1
Substitute the given values
= x + y -1
Hence the required solution is x + y -1