Answer:
Rachel has 27
Hong has 51
Manuel has 17
Explanation:
Let R represent Rachel, H represent Hong, and M represent Manuel.
They combined have a total of 95. Thus:

Hong has 3 times what Manuel has. Therefore:

Rachel has 10 more than Manuel. Therefore:

Substitute:

Combine like terms:

Subtract 10 from both sides:

Divide by 5:

Therefore, Manuel has 17.
Now, find Rachel and Hong's money.

So, Hong has 51.
And for Rachel:

Rachel has 27.