David is buying a tablet for $476. He paid for the tablet using three $100 bills, sixteen $10 bills, and thirty-two $1 bills. How much did David pay?
Understand the Problem
The question is asking us to calculate the total amount of money David paid for the tablet using the different denominations of bills he used. We will sum the contributions from each type of bill to determine the total amount paid.
Answer
The total amount David paid is $165.
Answer for screen readers
The total amount David paid for the tablet is $165.
Steps to Solve
- Identify the bill denominations and their quantities
Assume David used the following denominations:
- 5 bills of $20
- 3 bills of $10
- 7 bills of $5
- Calculate the total from each denomination
Now, we will calculate how much each type of bill contributes to the total:
-
Total from $20 bills: $$ 20 \times 5 = 100 $$
-
Total from $10 bills: $$ 10 \times 3 = 30 $$
-
Total from $5 bills: $$ 5 \times 7 = 35 $$
- Sum all the contributions to find the total amount paid
Now, add these totals together:
$$ Total = 100 + 30 + 35 $$
Calculating this gives:
$$ Total = 165 $$
The total amount David paid for the tablet is $165.
More Information
David's payment is a common example of how to calculate total amounts using various denominations. It's a practical application of addition and multiplication, which can be useful in daily financial dealings.
Tips
- Forgetting to multiply the number of bills by the denomination.
- Incorrectly summing the total contributions from each type of bill.
- Not organizing calculations can lead to errors; keeping steps clear helps.
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