Application of Inequalities: California Cafe

Front

What is an inequality?

Back

An inequality is a mathematical statement that shows the relationship between two expressions that are not equal, using symbols like <, >, ≤, or ≥.

Front

What does the symbol < mean in inequalities?

Back

The symbol < means 'less than'. For example, x < 5 means x is any number less than 5.

Front

What does the symbol > mean in inequalities?

Back

The symbol > means 'greater than'. For example, x > 3 means x is any number greater than 3.

Front

What does the symbol ≤ mean in inequalities?

Back

The symbol ≤ means 'less than or equal to'. For example, x ≤ 4 means x can be any number less than or equal to 4.

Front

What does the symbol ≥ mean in inequalities?

Back

The symbol ≥ means 'greater than or equal to'. For example, x ≥ 2 means x can be any number greater than or equal to 2.

Front

How do you solve the inequality 1.79x < 8?

Back

Front

If Gabby and her sisters have a budget of $30 and each pizza costs $6, how many pizzas can they buy?

Back

Let x be the number of pizzas. The inequality is 6x ≤ 30. Solving gives x ≤ 5, so they can buy 5 pizzas.

Front

What is the maximum number of orders of french fries the girls can buy if each order costs $1.79 and they want to spend less than $8.00?

Back

The inequality is 1.79x < 8. Solving gives x < 4.47, so they can buy a maximum of 4 orders.

Front

How do you express the goal of earning at least $130 from selling turkey wraps if each wrap sells for $6.50?

Back

The inequality is 6.5x ≥ 130, where x is the number of turkey wraps.

Front

What is the solution to the inequality 2.80x ≤ 10?

Back