Inequality word problems

Front

What happens to an inequality symbol when you multiply or divide by a negative number?

Back

You flip the inequality symbol.

Front

If Jo has 520 signatures and needs at least 1000, which inequality represents the number of signatures he needs to collect each week over 6 weeks?

Back

520 + 6x ≥ 1000

Front

How do you represent Johnny's earnings if he earns $15 per hour and wants to earn at least $105?

Back

15h ≥ 105

Front

What inequality represents the maximum height allowed to play on the playground if the limit is 62 inches?

Back

k ≤ 62

Front

If Joan needs $100 for a calculator and earns $5 per hour babysitting, plus $10 from mowing, what inequality shows the hours she needs to babysit?

Back

5x + 10 ≥ 100

Front

What is an inequality?

Back

An inequality is a mathematical statement that compares two expressions and shows that one is greater than, less than, or equal to the other.

Front

What does the symbol '≥' mean in an inequality?

Back

It means 'greater than or equal to'.

Front

What does the symbol '≤' mean in an inequality?

Back

It means 'less than or equal to'.

Front

In the inequality 15h ≥ 105, what does 'h' represent?

Back

The number of hours Johnny needs to work.

Front

What is the first step to solve the inequality 5x + 10 ≥ 100?

Back

Subtract 10 from both sides to isolate the term with x.