Felix has $100 in the bank and writes a check for $150. He now has
dollars.
Alina leaves her house with $40 in her wallet. She comes home with $40 in her wallet. This indicates a
change.
Lucas has no money. He does some chores and earns $5. He has
-Felix has $100 in the bank.
-Felix writes a check for $150.
-Felix now has -$50 dollars.
-Alina leaves her house with $40 in her wallet.
-Alina comes home with $40 in her wallet.
-This indicates no change in Alina's finances.
-Lucas has no money.
-Lucas does some chores and earns $5.
-Lucas now has $5.