Practical Problems Review (SOL 7.2)

Front

What is the formula to find the average temperature?

Back

Average Temperature = (Sum of all temperatures) / (Number of temperatures)

Front

If the average temperature is -3°F and it is 19 degrees colder, what is the new temperature?

Back

New Temperature = Average Temperature - 19°F = -3°F - 19°F = -22°F

Front

How do you calculate 40% of a number?

Back

40% of a number = 0.40 * (number)

Front

If there are 2,600 customers and 40% lost electricity, how many lost electricity?

Back

Number of customers who lost electricity = 0.40 * 2600 = 1040 customers

Front

What is the total cost of two candy bars at 79¢ each?

Back

Total cost = 2 * 0.79 = $1.58

Front

How do you calculate change received after a purchase?

Back

Change = Amount Paid - Total Cost

Front

If Marcel pays with a $20 bill and his total cost is $7.84, how much change does he receive?

Back

Change = $20 - $7.84 = $12.16

Front

What is the weight of cake batter needed for one cake?

Back

Weight needed for one cake = 1 ¼ pounds

Front

If Mrs. Perrin has 3 ¾ pounds of batter, how many cakes can she bake?

Back

Number of cakes = Total batter / Batter per cake = 3.75 / 1.25 = 3 cakes

Front

What percentage of trees are taller than the roof if 30% are?

Back

30% of trees are taller than the roof.