Test Your Knowledge - 3/28

Front

What is the original price of an item if it is discounted by 40% and the sale price is $375?

Back

The original price can be calculated using the formula: Sale Price = Original Price - (Discount Percentage × Original Price). Here, 375 = Original Price - (0.40 × Original Price). Therefore, Original Price = $625.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the unit rate that describes the relationship between two quantities that are proportional.

Front

Choose the correct inequality: x is less than or equal to 55.

Back

x ≤ 55

Front

True or False: A shape with 4 sides of the same length is a square.

Back

False. A shape with 4 sides of the same length is a rhombus, but it is not necessarily a square unless all angles are right angles.

Front

Convert 125% to a decimal.

Back

1.25

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per 1'.

Front

If a TV originally costs $500 and is on sale for 30% off, what is the sale price?

Back

Sale Price = Original Price - (Discount Percentage × Original Price) = 500 - (0.30 × 500) = $350.

Front

What does it mean if two quantities are proportional?

Back

Two quantities are proportional if they maintain a constant ratio or rate.

Front

What is the formula to find the discount amount?

Back

Discount Amount = Original Price × Discount Percentage.

Front

If a shape has angles that are all equal and sides that are all equal, what type of shape is it?

Back

It is a regular polygon.