Answer:
The expression is 
Jake has in his wallet 
Step-by-step explanation:
Let
x-----> the money that Jake has in his wallet
we know that
The expression that represent the situation is equal to
1) Jake has $100 of birthday money in his wallet
so

2) He spends $15 at Twistee Treat and $10 at Wawa
so

3) He finds a $20 bill on the ground
so

3) His friend borrows $40 from Jake
so

4) At home, Jake mows the lawn and earns $35
so

