Given :
Jake has $100 in his wallet.
He spends $15 at Subway and $10 at Starbucks.
Jake finds a $20 bill on the ground.
Brandon comes along and borrows $40 from Jake.
Jake earning through chores is $35.
To Find :
How much does Jake end up with at the end of the day.
Solution :
We know, total money at the end of day is given by :
[tex]\text{T =Money already have + Money earned - Money spend}[/tex]
[tex]T = 100+( 20+35) - ( 15+10+40)\\\\T=\$90[/tex]
Therefore, money Jake have at the end is $90.
Hence, this is the required solution.