Day 66: Mixed Percent Proportion problems

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is often used to compare quantities.

Front

How do you calculate the percent of a part compared to a whole?

Back

To calculate the percent, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100 = Percent.

Front

If Aaron has visited 38 of the 50 states, what percent of the states has he visited?

Back

(38/50) x 100 = 76%. Aaron has visited 76% of the states.

Front

What is the formula to find the part when given the percent and whole?

Back

Part = (Percent/100) x Whole.

Front

If a quiz has 5 questions and you answered 4 correctly, what percentage did you get right?

Back

(4/5) x 100 = 80%. You got 80% of the quiz right.

Front

What does it mean if a number is described as a 'missing percent'?

Back

A 'missing percent' refers to the unknown percentage that needs to be calculated based on the part and whole.

Front

The United States has hosted 16% of the 25 summer Olympic Games. How many times has it hosted?

Back

(16/100) x 25 = 4. The United States has hosted 4 summer Olympic Games.

Front

How do you find the total amount if you know a part and its percent?

Back

Total = Part / (Percent/100).

Front

A computer programmer spent 25 hours on a project and 18% of that time in meetings. How much time did she spend in meetings?

Back

(18/100) x 25 = 4.5 hours. She spent 4.5 hours in meetings.

Front

If Sasha has $3 and this is 10% of her monthly allowance, how do you find her monthly allowance?

Back

Monthly Allowance = $3 / (10/100) = $30.