Ratios
What is a Ratio? What are the three different ways to write a ratio?
A comparison of two quantities.
A to B
A/B
A:B
What method do we use when solving proportions?
Butterfly Method
What is the ratio we use for solving percents?
Is/of = %/100
Convert 36qts to gallons
36qts = 9 gal
Write 93% as a fractions
93/100
I have 6 guitars, 4 microphones, 2 banjos, 5 singers. What is the ratio of banjos to microphones.
2 to 4
2/4
2:4
4/20 = 5/x
X = 25
2 is what percent of 50?
4
Convert 5 Miles to Feet
5 Miles = 26,400ft
Write 8% as a decimal.
0.08
I have 6 guitars, 4 microphones, 2 banjos, 5 singers. What is the ratio of total to singers?
17:5
17 to 5
17/5
7/3 = 14/x
x = 6
What is 30% of 50?
15
Convert 420sec to Min
420sec = 7 min
Write 0.743 as a percent
74.3%
What is Unit Rate?
If I drove 180 Miles in 6 hours. How many miles did I drive per hour?
Unit rate is a rate compared to the unit of 1.
30 Miles/1 Hour
30 Miles per hour
x/9 = 63/27
x = 21
75 is 20% of what number?
375
Convert 9 Tons to lbs
9 Tons = 18000lbs
Write 0.845 as a fraction
845/1000
What is the ratio for Pi?
The relationship between circumference and diameter.
Circumference / Diameter
Mrs. Smith class is a ratio of 4 boys to 5 girls. If Mr. Clarkes Class has 76 Boys in it, how many girls are in his class?
95 Boys
Mrs. Rutenber got 25 questions correct out of 75 questions on her most recent test. What percent did she receive.
33%
Convert 30days to minutes
30 Days = 43,200 min
write 3/8 as a decimal
0.375