Percent Applications

Front

What is the formula to calculate the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) * 100

Front

If a student council has 40 items and 18 are brownies, how do you find the percentage of brownies?

Back

Percentage of brownies = (18 / 40) * 100 = 45%.

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100.

Front

What is the relationship between distance, rate, and time in a travel problem?

Back

Distance = Rate x Time.

Front

If Mr. Peters travels 130 miles in 2 hours, what is his rate of travel?

Back

Rate = Distance / Time = 130 miles / 2 hours = 65 miles per hour.

Front

How do you calculate the number of women in a squadron if the ratio of women to men is known?

Back

Use the ratio to find the fraction of women in the total number of members.

Front

What is the formula to find the percent of a specific group in a total?

Back

Percent = (Number of specific group / Total number) * 100.

Front

If Joey has 8 pairs of socks and 5 are white, how do you find the percentage of colored socks?

Back

Colored socks = Total socks - White socks = 8 - 5 = 3. Percentage of colored socks = (3 / 8) * 100 = 37.5%.

Front

How do you calculate the percent change in price?

Back

Percent Change = ((New Price - Old Price) / Old Price) * 100.

Front

If a sweater is marked down from $25 to $19, what is the amount of change?

Back

Amount of change = Old Price - New Price = $25 - $19 = $6.