Week 18~Wednesday

Front

What does the inequality x > 3 represent on a number line?

Back

It represents all numbers greater than 3, not including 3 itself.

Front

How do you solve the equation k/3 - 2k + 4 = 10?

Back

Combine like terms and isolate k to find k = -3 3/5.

Front

What is the formula to find the percentage of a number?

Back

Percentage = (Part/Whole) × 100.

Front

What is 72 as a percentage of 180?

Back

40%.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per 1 unit.

Front

If Lisa lost 8 lbs. in 8 weeks, what is her unit rate of weight loss?

Back

1 lb. per week.

Front

How do you convert a fraction to a percentage?

Back

Multiply the fraction by 100.

Front

What is 49.5 as a percentage of 33?

Back

150%.

Front

What does the inequality x ≤ 3 represent on a number line?

Back

It represents all numbers less than or equal to 3.

Front

How do you isolate a variable in an equation?

Back

Use inverse operations to get the variable by itself on one side of the equation.