Rational number word problem with decimals | Pre-Algebra | Khan Academy

TL;DR

Stewart's checking account balance was negative at the beginning of the week, but after depositing two checks, he ended up with a positive balance of $511.82.

Transcript

At the beginning of the week, Stewart's checking account had a balance of negative $15.08. On Monday morning, he deposited a check for $426.90. On Tuesday morning, he deposited another check for $100. How much was in Stewart's checking account after the second deposit, so after both of these deposits right over here. So he starts off with a negativ... Read More

Key Insights

• 💵 Stewart's negative balance indicated that he owed the bank money.
• ⚖️ By depositing two checks, Stewart's balance shifted from negative to positive.
• ❓ The total amount deposited by Stewart was $526.90 ($426.90 + $100).
• ⚖️ Stewart's final balance was obtained by subtracting his initial negative balance from the total deposits.
• 🫥 A number line visualization helps understand the balance shift.
• ⚖️ Addition and subtraction techniques were used to calculate Stewart's balance.
• ⚖️ The final balance was $511.82.

Questions & Answers

Q: What was Stewart's checking account balance at the beginning of the week?

Stewart's checking account had a negative balance of $15.08 at the start of the week, meaning he owed money to the bank.

Q: How much money did Stewart deposit on Monday?

Stewart deposited a check worth $426.90 on Monday morning.

Q: What was the amount of Stewart's second deposit?

Stewart deposited another check worth $100 on Tuesday morning.

Q: What was Stewart's checking account balance after the second deposit?

After the second deposit, Stewart's checking account had a positive balance of $511.82.

Summary & Key Takeaways

• Stewart's checking account started with a negative balance of $15.08.

• He deposited a check for $426.90 on Monday and another check for $100 on Tuesday.

• After the second deposit, Stewart's checking account had a balance of $511.82.