Math 180: Rates and Ratios B3

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both terms of the ratio by their greatest common divisor (GCD).

Front

What is a fraction?

Back

Front

How do you convert a fraction to a percent?

Back

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

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

What does it mean to express one quantity as a fraction of another?

Back

It means to represent the relationship between the two quantities as a fraction, indicating how much of one quantity exists in relation to the other.

Front

How do you find the profit from revenue and costs?

Back

Profit is calculated by subtracting total costs from total revenue: Profit = Revenue - Costs.

Front

What is a coordinate point?

Back

A coordinate point is a pair of numbers (x, y) that define a position on a Cartesian plane.

Front

How do you identify equivalent ratios?

Back

Equivalent ratios can be identified by cross-multiplying or simplifying the ratios to see if they are the same.

Front

What is the formula for calculating percentages?

Back

The formula for calculating a percentage is: Percentage = (Part/Whole) * 100.