Proportions and scale drawings/percents

Front

What is the formula to convert inches to centimeters?

Back

To convert inches to centimeters, multiply the number of inches by 2.54.

Front

How do you calculate the percentage decrease in price?

Back

To calculate the percentage decrease, subtract the new price from the original price, divide by the original price, and multiply by 100.

Front

What is 25% of a number?

Back

To find 25% of a number, multiply the number by 0.25.

Front

How do you find the total number of items based on a percentage?

Back

To find the total number of items based on a percentage, divide the number of items by the percentage (in decimal form).

Front

What is the formula to find the total space taken by multiple items?

Back

To find the total space taken by multiple items, multiply the space taken by one item by the number of items.

Front

How do you calculate the selling price based on a cost price and markup percentage?

Back

To calculate the selling price, multiply the cost price by (1 + markup percentage in decimal form).

Front

What is the relationship between proportions and scale drawings?

Back

Proportions in scale drawings maintain the same ratio between dimensions, allowing for accurate representation of size.

Front

How do you find the remaining percentage after accounting for known percentages?

Back

To find the remaining percentage, subtract the sum of known percentages from 100%.

Front

What is the significance of understanding scale in drawings?

Back

Understanding scale is crucial for accurately interpreting and creating representations of real-world objects.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100.