Ratios and Proportions
Simplify the ratio 8:12
2:3
3 hours = ___ minutes
180 minutes
200 mi in 4 hours
50 mph
The scale factor for a 2 cm x 4 cm rectangle is 5. What are the new dimensions?
10 cm x 20 cm
Describe a complex fraction
A fraction that has a fraction in the numerator and/or the denominator.
Write the ratio (in simplest form) of red marbles to total marbles if there are 15 red marbles and 25 blue marbles.
3 to 8
7.5 ft = ______ inches
90 inches
45 problems in 30 minutes
1.5 problems per min
The sides of a triangle are 6 in, 8 in, and 10 in. What are the new side lengths is you use a scale factor of 1/2?
3 in, 4 in, 5 in
What is the Buffalo Bills Record? (on 10/2/25)
4 - 0
If 4 notebooks cost $12, how much do 10 notebooks cost?
$30
A runner jogs 2 miles. How many feet is this? (1 mile = 5280 ft)
10,560 feet
$33.60 for 12 gallons
$2.80/gal
A scale drawing uses a scale of 1 cm = 5 m. If a drawing shows 8 cm, what is the real length?
40 m
Simplify 2/3 / 5/6
4/5
3/x = 12/20
x =
x = 5
2.5 kg = ______g (1 kg = 1000g)
2500 g
324 miles driven with 12 gallons of gas
27 mpg
A rectangle measures measures 90 cm x 120 cm. If the scale factor is 1/3, what are the new measures?
30 cm x 40 cm
Who is the Buffalo Bills starting quarterback?
Josh Allen
1 inch = 40 miles. How many miles is 3.5 inches?
140 miles
2.5 days = ____min
3,600 minutes
222 points in 12 games.
18.5 ppg
A map uses a scale of 1 in = 10 mi. If two cities are 85 mi apart, how many inches on the map?
8.5 inches
Simplify 9/10 / 3/5
3/2