Scale
A model airplane is built at a scale of 1:20. If the model is 1 foot long, how long is the actual airplane?
20 feet
If 4 apples cost $2, how much do 8 apples cost?
$4
Simplify: 3x + 4x
7x
What is 25% of 100?
25
What is the probability of flipping a coin and getting heads?
1/2 or 50%
A map uses a scale of 1 inch = 50 miles. If two cities are 3 inches apart on the map, how far apart are they in real life?
150 miles
A recipe calls for 3 cups of flour for every 2 cups of sugar. If you use 6 cups of flour, how much sugar do you need?
4 cups
Solve: x + 7 = 12
x = 5
If a shirt costs $40 and is on sale for 20% off, what is the sale price?
$32
A bag has 3 red, 2 blue, and 5 green marbles. What is the probability of drawing a blue marble?
2/10 or 1/5
A blueprint uses a scale of 1 cm = 4 meters. If the actual room is 12 meters wide, how wide is it on the blueprint?
3 cm
If a car travels 180 miles in 3 hours at a constant speed, what is the constant of proportionality (unit rate)?
60 miles per hour
Factor the expression: 6x + 12
6(x + 2)
What percent of 50 is 10?
20%
You roll a six-sided die. What is the probability of rolling a number greater than 4?
2/6 or 1/3
A scale drawing of a building is 6 inches tall. The actual building is 72 feet tall. What is the scale factor of the drawing?
1:12
A 5-pound bag of rice costs $10. At the same rate, how much would a 12-pound bag cost?
$24
Solve: 5x – 3 = 2x + 6
x = 3
A price increases from $60 to $75. What is the percent increase?
25%
A number is randomly chosen from 1 to 20. What is the probability that it is a multiple of 4?
1/4 or 25%
An image is scaled down using a scale factor of 0.25. If the original width is 16 inches, what is the width of the scaled image?
4 inches
The table shows x-values and y-values:
x: 2, 4, 6
y: 5, 10, 15
What is the constant of proportionality?
2.5
Evaluate the expression: 2(3x – 4) + x when x = 2
4
If a meal costs $80 and you tip 15%, what is the total cost including tip?
$92
You roll a 6-sided die and flip a coin. What is the probability of rolling an even number and getting heads?
1/4 or 25%