Proportions
A shoe store marks up its merchandise by 20%. What is the selling price of a pair of shoes whose wholesale price is $28.75?
What is $34.50
The height of a hedgehog is 3 inches and the model of a hedgehog is 10 inches. What is the scale factor?
What is 3 1/3
Given the equation y = -2x + 8.
What is the ordered pair that represents the y-intercept?
What is (0,8)
Given the equation y = 0.4x, what is the constant of proportionality?
What is k = 0.4
If there are 120 7th graders and 85% of them study for their math test, how many 7th grade students study for their math test?
What is 102 students
The height of a sculpture is 4 ft while the height of a model of the sculpture is 6 inches. What is the scale factor?
What is 1/8
A bag of apples cost $2. Write an equation that represents the relationship between the cost of apples, y, and number of bags x.
What is y = 2x
What is a positive slope
A flower shop advertised all roses priced at a 1/3 discount. What is the amount of the discount if the roses originally cost $45.
What is $15
A photograph of drawing has the dimensions of 6.13 cm. The scale factor is 1/15. Find the size of the actual drawing, to the nearest cm.
What is 92 cm
What is $1200
Name the two conditions for a graph to be proportional.
What is a straight line through the origin.
You're asked to go buy bags of mulch and you know that one bag covers 50 square feet. How many bags do you need to buy if you have an area of 507 square feet?
What is 11 bags
The scale factor of a model bench is 1: 12. If the length of the model is 20cm and the width is 11.75, what is the actual dimensions of the bench?
What is 240 cm by 141 cm
After the first 45 minutes of laying tile, you used 5/8 of a box. Write an equation that represents the relationship between the number of tiles use, y, in x hours.
5x - 7(3 -x) = 120
What is x = 11.75