Math 180 Proportional and Linear Relationships B1

Front

What is a proportional relationship?

Back

A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

Front

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

Back

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

Front

What is the formula for finding the total cost based on hourly wage and hours worked?

Back

Total Cost = Hourly Wage x Hours Worked.

Front

If 150 out of 600 residents prefer bottled water, how do you express this as a fraction?

Back

The fraction is 150/600, which simplifies to 1/4.

Front

What does it mean if a budget is reduced by a certain percentage?

Back

It means that the new budget is less than the original budget by that percentage of the original amount.

Front

How do you find the percentage of students who volunteer if 90 out of 150 students volunteer?

Back

Percentage = (90/150) x 100 = 60%.

Front

What is the relationship between hours worked and total earnings in a linear function?

Back

In a linear function, total earnings increase at a constant rate as hours worked increase.

Front

How do you determine which group has the greatest percentage of a specific category?

Back

Calculate the percentage for each group using the formula (Specific Category/Total) x 100 and compare the results.

Front

What is the significance of a point on a graph representing hours worked and wages earned?

Back

Each point represents the total earnings for a specific number of hours worked, illustrating the linear relationship.

Front

What is a budget?

Back

A budget is a plan that outlines expected income and expenses over a specific period.