ratios
In a class of thirty students, there are 18 boys and the rest girls. What is the ratio of girls to boys
12:18
express the decimal as a percent
0.4
40%
I drove 300 km in 3 hours
What is the unit rate? *don't forget your units
100 km/h
Write a fraction and percent for 0.23
23/100
23%
10% of 100
10
In a standard deck of 52 cards. Give the ratio and then reduce to lowest terms.
queens to total cards
4:52
1:13
express the following as a decimal.
4%
0.04
Corn on the cob is $3 per dozen
What is the unit rate?
** don't forget your units
0.25$/corn
Write the fraction and decimal for 4.5%
45/1000
0.045
5% of 20
1
Fill in the blank to make the ratio equivalents.
3:4 = 12:___
16
express the following as a percent:
23/50
46%
Two Junior Bacon Cheeseburgers cost $4.20.
How much would 8 cost?
$16.80
what is an equivalent for 4:5
a) 20:30
b) 1:2
c) 16:20
c) 16:20
25% of 120
30
Find the ratio. *Remember units must be the same
30 cm to 1 m
30:100
express as a fraction simplified
25%
1/4
While driving, Sara noticed that her gas tank was a half full. She filled up the tank which cost her $40. At the same price of gas, how much would it cost to completely fill an empty tank?
$80
Write the percent and decimal for 23/1000
2.3%
0.023
If I drive 300 km in 3 hours. How far will I drive in 4 hours?
400 km
The ratio of boys to girls in grade 8 is 5:3.
If there is a group of 40 boys, how many girls would you expect?
24
In the 2006 Torino Olympics there were 84 gold medals awarded, Canadian athletes won 7. What percent of the gold medal winners were Canadian?
8.3%
Sid cycles 90 km in 6 hours, while Sandy cycles 98 km in 7 hours.
Who is faster?
Sid
express as a decimal 110%
1.10
Find the ratio of 2 kg to 70 g
200:7