Ratio
Simplify and write the equivalent ratio in three different ways.
4:12
1:3
1/3
1 to 3
Solve for a:
a/6 = 6/9
a=4
What is it called when you determine the price of one unit/item? Give at least two names to receive credit!
Unit Rate/Constant of Proportionality/Rate of Change
You can buy a Mathematics book for $400. How many can you buy for $1200? Give the proportion and answer the question.
1:400 = n:1200
n=3
When we don't know the value of something we use this to represent it
Variable
The equality between two ratios.
Proportion
Are these fractions proportional? Explain why or why not to receive full points!
3/14 and 9/42
Hint: remember to use the test for proportions...check your notes!
Yes, the cross products are equal/equivalent.
or
Yes, the ratios have the same constant/unit rate.
Brenda can deliver 644 newspapers in 7 hours. How many newspapers can Brenda deliver per hour?
92 newspapers per hour.
If you spend 3 hours each day using your mobile phone, how many hours would you spend using your phone in 15 days? Give the proportion and answer the question
3:1 = n:15
n=45
It is the comparison between two or more quantities.
ratio
Show three ways to write the ratio three to four
3:4
3/4
3 to 4
Solve for t:
2/7=9/27
t=6
Which is the better buy?
3 apple pies for $11 or 7 cherry pies for $24.50
Suppose that 20 men can build a house in 6 days. If the number of men 10, how long would it take for them to build the house?
12 days
Combine like terms:
2x + 3 - 7x +6
-5x+9
Are the ratios equivalent?
3 paintings to 16 photographs
6 paintings to 32 photographs
Yes
Solve for p:
7/p= 8/9
p=7.875
Luke can paint 91 portraits in 7 weeks. How many portraits can Luke paint in a week?
13 portraits
A car uses 5 liters of gasoline for a distance of 110 km. At this rate, how many liters of gasoline will the car consume for a distance of 165 km.
7.5 liters of gasoline
in 32 , 3 is called the ________ and 2 is the ________
base
exponent
Marissa has 14 pairs of sneakers and 12 pairs of sandals. What is the simplified ratio of sandals to all of her shoes?
3:7
3 to 7
3/7
Solve for q:
3:5=q:10
q=6
Which paint color is the more expensive per gallon?
15 gallons of green paint for $51 or 7 gallons of orange paint for $24.50
The orange paint is more expensive per gallon
Name all the people in this class who scored baskets at yesterday's staff/student basketball game
Sam
Sheila
Jacob
The distance a value is from 0
Absolute Value