Finding Percentages

Front

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

Back

Percentage = (Part / Whole) × 100

Front

If a mixture contains 8 L of water and 42 L of milk, how do you calculate the percentage of water?

Back

Percentage of water = (8 L / (8 L + 42 L)) × 100 = 16%.

Front

How do you determine which subject a student scored the highest percentage in?

Back

Calculate the percentage for each subject using the formula: (Score / Total) × 100.

Front

What is the profit percentage formula when selling an item?

Back

Profit Percentage = ((Selling Price - Cost Price) / Cost Price) × 100.

Front

If Ameer bought a car for $10,000 and sold it for $15,800, what is his profit percentage?

Back

Profit Percentage = (($15,800 - $10,000) / $10,000) × 100 = 58%.

Front

What does percentage change mean?

Back

Percentage change measures how much a value has increased or decreased relative to its original value.

Front

How do you calculate percentage change when the value decreases from $150 to $117?

Back

Percentage Change = ((Original Value - New Value) / Original Value) × 100 = 22%.

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100. For example, 18/25 = (18/25) × 100 = 72%.

Front

What is the percentage of 60 out of 90?

Back

Percentage = (60 / 90) × 100 = 66.67%.

Front

If a student scores 50 out of 80 in a test, what is the percentage score?

Back

Percentage = (50 / 80) × 100 = 62.5%.