SY2425 Standard Final Semester 1 Review

Front

What is the formula to calculate the total cost when buying multiple items?

Back

Total Cost = (Cost per item) x (Number of items) + (Additional costs if any)

Front

If a sweater costs $50 and is on sale for 30% off, how do you calculate the sale price?

Back

Sale Price = Original Price - (Original Price x Discount Rate) = $50 - ($50 x 0.30) = $35

Front

What is the formula to calculate the final price after tax?

Back

Final Price = Sale Price + (Sale Price x Sales Tax Rate)

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.

Front

What does it mean for two fractions to be equivalent?

Back

Two fractions are equivalent if they represent the same value when simplified.

Front

How do you find the speed of an object given distance and time?

Back

Speed = Distance / Time.

Front

What is the relationship between total cost, number of items, and cost per item?

Back

Total Cost = Number of Items x Cost per Item.

Front

What is the significance of the equation 120 = 60x in a real-world context?

Back

It represents the total cost spent on packs of paper, where x is the cost per pack.

Front

How do you determine if a fraction is negative?

Back

A fraction is negative if either the numerator or the denominator is negative, but not both.

Front

What is the process to calculate a percentage discount?

Back

Percentage Discount = (Discount Rate x Original Price).