Practical Problems Review (SOL 7.2)

Front

What is the total cost of 2 candy bars at 79¢ each, 3 sodas at $1.29 each, and 1 bag of chips at $2.39?

Back

Total cost = (2 * 0.79) + (3 * 1.29) + 2.39 = $3.58 + $3.87 + $2.39 = $9.84.

Front

If Marcel pays with a $20 bill, how much change does he receive after spending $9.84?

Back

Change = $20 - $9.84 = $10.16.

Front

If Joshua answered 2/5 of his 25 question test, how many questions did he answer?

Back

Questions answered = (2/5) * 25 = 10 questions.

Front

How many questions did Joshua not answer if he had 25 questions total?

Back

Questions not answered = 25 - 10 = 15 questions.

Front

What is the average January temperature in North Dakota if the all-time average is -3°F and January 2018 was 19 degrees colder?

Back

Temperature in January 2018 = -3°F - 19°F = -22°F.

Front

If Jasaun has 60 video games and shares 1/3 of them equally between 2 friends, how many games does each friend receive?

Back

Games shared = (1/3) * 60 = 20 games; each friend receives = 20 / 2 = 10 games.

Front

What is 40% of 2,600 customers?

Back

40% of 2,600 = 0.40 * 2600 = 1,040 customers.

Front

How do you calculate the total cost of multiple items?

Back

Total cost = (price of item 1 * quantity) + (price of item 2 * quantity) + ...

Front

What is the formula to find the percentage of a number?

Back

Percentage = (part / whole) * 100.

Front

How do you find the average temperature change?

Back

Average change = final temperature - initial temperature.