scale factor
If a rectangle has a length of 4 cm and a width of 3 cm, what is the scale factor if the rectangle is enlarged to a length of 8 cm?
A shirt originally costs $20. If the price is increased by 10%, what is the new price of the shirt?
It is 22$
covert the fraction 1/4 into a decimal.
0.25
: If 3 apples cost $1.50, what is the constant of proportionality per apple?
It is 50 cents per apple
A model car is built at a scale of 1 inch to 2 feet. If the length of the actual car is 12 feet, how long is the model car?
it is 6 inches
*: A triangle has sides measuring 5 cm, 12 cm, and 13 cm. If the triangle is scaled up by a factor of 2, what will be the lengths of the sides of the new triangle?
The new lengths and triangle would be 10 cm , 24 cm, and 26 cm
A book was priced at $15 but is now on sale for $12. What is the percentage decrease in the price of the book?
what is 20 percent?
Convert the decimal 0.75 to a percentage.
It is 75 percent
A car travels 60 miles in 1 hour. What is the constant of proportionality for the distance traveled per hour?
it is 60 miles per hour
A blueprint of a park shows a walking path that is 5 inches long. If the scale of the blueprint is 1 inch to 10 feet, how long is the actual walking path?
it is 50 feet
A model of a car is built at a scale of 1:10. If the actual car is 4 meters long, how long is the model car in centimeters?
It is 40 cm long
: A student scored 70 out of 100 on a test. If the student improves their score by 20%, what will be their new score?
It is 84 percent
A class has 20 students, and 8 of them are girls. What fraction of the class are girls, and what percentage does that represent?
it is 40 percent girls
If a recipe uses 4 cups of flour to make 12 cookies, what is the constant of proportionality (cups of flour per cookie)?
it is 1/3 cups/cookies
A scale drawing of a room shows the length as 8 inches and the width as 6 inches. If the scale is 1 inch to 3 feet, what are the actual dimensions of the room in feet?
it is 18 feet
A drawing of a garden is made with a scale factor of 1:5. If the drawing shows a flower bed that is 6 cm long, what is the actual length of the flower bed in meters?
The actual length is 0.3 cm
A bike was bought for $200. If the bike’s value decreases by 25%, what is its new value?
it is 150$
Convert the percentage 60% to a fraction in simplest form.
it is 3/5
A school has a ratio of 15 students for every 1 teacher. If there are 5 teachers, what is the constant of proportionality for the number of students per teacher?
it is 15 students/teachers
A map has a scale of 1 inch representing 50 miles. If two cities are 3 inches apart on the map, what is the actual distance between the cities?
it is 150 miles
A small town has a scale map where 1 inch represents 2 miles. If the distance between two landmarks on the map is 3.5 inches, what is the actual distance between the landmarks in miles?
The distance is 7 miles
A restaurant's menu prices increased by 15%. If a meal originally cost $30, what is the new price of that meal after the increase, and how much more will customers pay compared to the original price?
it is 34.50$
A recipe calls for 2/3 cup of sugar. If you want to express this amount in decimal form and then convert it to a percentage of 1 cup, what is the percentage of sugar used in the recipe?
it is 66.67 percent
A map has a scale where 1 inch represents 50 miles. If a distance of 3 inches is represented on the map, what is the constant of proportionality for the distance in miles per inch?
it is 50 miles per inch
A scale drawing of a garden shows a rectangular area that is 4 inches wide and 10 inches long. If the scale is 1 inch to 2 feet, what is the actual area of the garden in square feet?
it is 160 square feet