Answer:
Instead of Woof Woof, a dog said Rough, rough.
Explanation:
<em>Answer: </em>
<em>Grover claims to be Percy's protector. Percy felt that this was strange because Grover is very clumsy and he got bullied on. Percy: Grover does this yarn-cutting means that someone is going to die? Grover did not actually give an answer but he looked very sad.</em>
3/7−1/9
and solve
(3×9)−(1×7)/7×9
27−7/63=20/63
20/63 is the answer