Area of rectangle A is 8 square inches and the scale factor is 2. What is the area of rectangle B?
32 square inches.
What is the scale factor from picture B to picture A?
1/4 or 0.25
What is the scale factor from picture A to picture B?
2
A store bought a black jacket and marked it up by 2/3 of the original price. Then, it sold it for $250. How much was the jacket's original cost before the mark up?
$150
Does the table represent a proportional relationship? If yes, what is the constant of proportionality?
1/3
Is this the graph of a proportional relationship?
Yes.
What is the length of x if the scale factor is 1/2?
3 1/4 or 3.25
How many tablespoons of honey are needed for 20 cups of flour?
16
Does the table represent a proportional relationship? If yes, what is the constant of proportionality?
No.
Is this the graph of a proportional relationship?
No.
A pair of earrings cost $75. It is on sale for 1/3 off the original price. What is the discount?
$25
One pound of bananas cost $0.59. How much will 25 pounds cost?
$14.75
A pair of pants cost $60.80 and was on sale for 1/4 off the original price. What is the sales price?
$45.60
What is the length of x if the scale factor is 4?
14 inches