Ratios
Write the ratio as a fraction in simplest form:
15 girls to 6 boys
5/2
Find the unit rate:
180 miles in 3 hours
60 miles per hour
Tell whether the two rates form a proportion
25 cars in 5 days; 60 cars in 12 days
Yes 5 cars in 1 day, 5 cars in 1 day
x/10 = 4/5
9
Graph the line that passes through the two points. Then find the slope of the line.
(0,0) (3,2)
m= 2/3
Write the ratio as a fraction in simplest form
24 players : 3 teams
8/1 8 players per team
Find the unit rate
405 rotations in 5 minutes
81 rotations per minute or 81/1
Tell whether the two rates form a proportion
14 books in 2 boxes; 20 books in 3 boxes
No
7 books in 1 box, 6.66 books in 1 box
Solve the proportion
8/9 = p/81
p =72
Graph the line that passes through the two points. Then find the slope
(4,4) (8,8)
m = 1
Write the ratio as a fraction in simplest form:
24 messages: 10 calls
12/5
Find the unit rate:
72 ounces for 12 services
6 ounces per serving
Find the product. List the units.
8 h x $9/h
$72
2/3 = n/12
n=8
Graph the line that passes through the two points. Then find the slope:
(2,1) (6,3)
m=1/2
Write the ratio as a fraction in simplest form
25 to 45
5/9
256 miles per 8 gallons
32 miles per gallon or 32 mpg
Find the product. List the units.
8 lb x $3.50/lb
$28
Solve the proportion
2/3= 3/q
q = 4.5
Graph the line that passes through the two points. Then find the slope.
(0,0) (1,4)
m=4
Write the ratio as a fraction in simplest form
16 dogs to 12 cats
4/3
Find the unit rate
$4.80 for 6 cans
$0.80 per can
Find the product. List the units.
3 lb x $2.50/lb
$7.50
Solve the proportion
m/3 = 32/4
m=24
Graph the line that passes through the two points. Then find the slope
(-2, -1) (1,2)
m=1