Inequalities Review

Front

What does the inequality s ≤ 40 represent?

Back

It means that the number of students (s) on the bus can be 40 or fewer.

Front

What is the variable in the statement: 'Ruby set a goal of saving at least $200 in a savings account'?

Back

w = the number of weeks to reach her goal.

Front

When do you use a closed circle on a graph for an inequality?

Back

When it is ≥ or ≤.

Front

If Ruby currently has $60 and saves $5 per week, how many weeks (w) will it take to reach at least $200?

Back

w ≥ 28.

Front

How do you express 'no more than 40 students' in inequality form?

Back

s ≤ 40.

Front

What is the solution to the inequality 5w + 60 ≥ 200?

Back

w ≥ 28.

Front

What does the inequality s > 40 represent?

Back

It means that the number of students (s) on the bus must be more than 40.

Front

What is the meaning of the inequality w < 28 in the context of Ruby's savings?

Back

It means Ruby will reach her goal in less than 28 weeks, which is not possible.

Front

What is the total time Michael spends playing basketball over 4 days if he plays 1.5 hours each day?

Back

6 hours.

Front

If Michael has spent a total of 20 hours on basketball and studying, how much time does he spend studying each day?

Back

3.5 hours.