Year 8 Semester Practice Test Review

These flashcards summarize the key concepts and solutions from the Year 8 Semester Practice Test to aid in exam preparation.

What is the ratio of the original price of the jeans compared to the selling price? $215 original price and $179 sale price

$215:$179

What is the ratio of the original price of the jeans compared to the discount? $215 original price and $179 sale price

$215:$36

Solve the equation 4x - 7 = 29 for x.

x = 9

If Anne types 60 words per minute, how long will it take her to type 4200 words?

70 minutes

In a school, if the ratio of girls in Years 8, 9, and 10 is 6:7:11, how many girls are in Year 8 if there are a total of 360 girls in the three year levels?

90 girls

Set up an equation to describe the father's age being six times his son's age.

f=6x

How do you determine the current age of a father if his son is x years old now and will be 20 years younger than him in 10 years?

6x + 10 = x + 30.

What is the rule for the excursion cost C related to n students attending a puppet show? With each student having an admission price of $5 and a bus hire fee of $250

C = 5n + 250

What are the coordinates of the x-intercept of the line?

(-1,0)

What is the gradient of the straight line given the points (0,3) and (-1,0)?

Gradient = 3.

How many students attended the excursion if the total cost was $740? $5 per student and $250 bus hire fee

n = 98