Dennis wants to buy a card for his wife. Dennis calculates the amount of the card as $4.50, The actual price of card is $4. What is Dennis'w percent error
The problem has quiet a few information's that need to be checked first. These information's will help to determine the required answer. Actual price of the card = $4 Price of the card calculated by Dennis = $4.50 Amount of error made by Dennis while calculating the cost of the card = (4.50 - 4) dollars = 0.50 dollars Percentage of error made by Dennis while calculating the cost of the card = (0.50/4) * 100 = 0.50 * 25 = 12.5 percent So 12.5% error has been made by Dennis while calculating the price of the card that he wants to buy for his wife.
