Basic Arithmetic : Money and Time
Study concepts, example questions & explanations for Basic Arithmetic
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Example Questions
Example Question #1 : Addition And Subtraction With Time
Jimmy started taking his math test at 11:03AM, and he finished at 12:29PM. How many minutes did it take Jimmy to finish the test?
First, we need to find how long it took Jimmy to finish the test.
Subtract the hours, then subtract the minutes.
Now, the question asks how many MINUTES it takes Jimmy to finish the test. Convert the hour into minutes.
Example Question #1 : Addition And Subtraction With Time
Pete worked on his homework, and it took him 
To add time, you add the hours together, then you add the minutes together.
Because there are only 60 minutes in an hour, you cannot have a time whose minute value is greater than 60. In this case, subtract 60 minutes and add 1 more to the hour.
Example Question #1 : Money And Time
If you lie down to take a nap at 
First, we need to convert 
and because
Now we need to add 
Thus you wake up from your nap at 
Example Question #3 : Addition And Subtraction With Time
Please choose the best answer for the question below.
If Andrew leaves his house at 
The first step in this process is to add two hours and fourteen minutes to 
Hours
Minutes:
So we know now that Andrew made it to his office at 
The hour has not changed, so we know that Andrew arrived at his desk at 
Example Question #1 : Money And Time
Melissa started practicing piano at 3:34PM. She practiced until 5:17PM. How long did she practice for?
2 hours and 43 minutes
2 hours and 17 minutes
1 hour and 43 minutes
1 hour and 17 minutes
1 hour and 43 minutes
To subtract time, subtract the minutes then subtract the hours.
Since we can't have negative minutes, add 60 to the minutes and subtract 1 from the hours (60 minutes = 1 hour).
Example Question #1 : Addition And Subtraction With Time
Nate started his math, history, English, and French homework at 
First, start by adding up the total amount of time Nate spent on doing his homework.
Now, subtract 
Because we subtracted 
To figure out when he finished doing his homework, add the hours together then add the minutes together.
So then he finished at
Example Question #1 : Addition And Subtraction With Money
Jane bought a pencil for 
Add up all the individual items.
Example Question #1 : Money And Time
Billy earned 
Billy had 
After buying the candy bar he then had 
Example Question #2 : Money And Time
John recently bought the following school supplies: a calculator for 
How much did John spend in total on school supplies?
In order to solve this problem, you must add all of the costs of school supplies together. This can be done through the following equation:
Therefore, the total amount that John spent on school supplies is 
Example Question #144 : Basic Arithmetic
Jenny has a new job at the mall. Her first paycheck was 
You must subtract the cost of the two purchases from the overall paycheck amount.
Begin by subtracting the shoe purchase from the total paycheck amount:
Then, subtract the cost of the dress:
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