The ratio of lions to tigers seen by the zoo veterinarian in
one week is 3 to 4. If the vet saw 12 tigers in one week,
how many lions did the vet see during the same week?
9 lions
3 lions 3
 
4 tigers 3 12 tigers
Jimmy purchased various motor oils for the auto repair
shop where he works. The information about the oil
purchased is shown in the table below.
Type of Oil
Number of Cans
Purchased
Total Cost
Conventional
40
$39.20
Synthetic Blend
35
$38.50
Single Grade
60
$51
Multi Grade
45
$40.50
Which type of motor oil costs the least per can?
Find the unit cost…
Conventional : $39.20 40  $0.98
Synthetic: $38.50 35  $1.10
SingleGrade : $51 60  $0.85
Multi Grade : $40.50 45  $0.90
Which
cost the
least per
can?
3
Which of the following ratios is equivalent to ?
5
A.
B.
C.
D.
1
5
2
5
9
15
12
15
3 3
9
 
5 3 15
The ratio of girls to boys on the middle school track team
is 3 to 5. If there are 12 girls on the track team, how
many boys would be on the track team?
3 girls 4
12 girls


5 boys 4 20 boys
A column at the White House has a height of 12 feet and a
diameter of 2 feet. What is the ratio of the height of the
column to the diameter of the column?
Simplify
height
diameter
12 2
6
 
1
2 2