Percentages
Ratios and Rates
Proportions
Mixed Numbers
Proportional Relationships Preview!
100
What is x?
35% = x/100
x = 35
100
DAILY DOUBLE!!!
3:9
1:3
100
Solve for n:
5/10 = n/30
n = 15
100
Convert the mixed number to an improper fraction:
3 1/3
10/3
100
The following graph shows a proportional relationship. What do you notice about the green line?
It is straight (the points connect to make a straight line).
It goes through the origin (0, 0).
It moves upward (positive slope).
200
What is x?
12% = 12/x
x = 100
200
What are the units listed in the rate below?
Mrs. Lane drives 60 mph on the way to work.
miles and hours
200
Solve for n:
4/n = 16/12
n = 3
200
Convert the mixed number to an improper fraction:
7 5/8
61/8
200
How much water is used in 2 minutes?
10 gallons
300
Convert the fraction to a percent:
60/100
60%
300
What is a unit rate?
A unit rate is a rate in which 1 is in the denominator.
300
Solve for n:
2.5/6 = n/10
n = 4.167
300
Convert the improper fraction to a mixed number:
43/5
8 3/5
300
At what rate is the water being used? (gallons per 1 minute)
5 gallons per minute
400
Convert the percent to a decimal:
60%
0.6 or 0.60
400
Convert to a unit rate:
45 dollars/ 3 hours
15 dollars per hour
400
If a fuel efficient car can go 210 miles on 4 gallons of fuel, how far can it go on 12 gallons?
630 miles
400
Convert the improper fraction to a mixed number:
100/3
33 1/3
400
*NOTE: Must answer Proportional Relationships Preview for 100 before answering.
Which graph shows a proportional relationship? 
Graph B
500
Convert the fraction to a percent:
1/2
50%
500
Dave and Eric are painting a long fence. Dave paints 125 feet of the fence in 5 hours. Eric paints 175 feet in 7 hours. Whose rate is faster?
They are painting at the same rate.
500
If it takes 930 kg of food to feed a pair of elephants for 3 days, how much food would you need to feed them for a week?
2,170 kg
500
Complete the problem below:
5 1/4 - 3 3/4
1 1/2 or 1 2/4
500
Which graph shows a faster rate? (Hint: Imagine the graphs are comparing miles on the y-axis to hours on the x-axis.)
Graph A