Ratio
4:12
1:3 or 1/3
Solve for a: a/6 = 6/9
a=4
What is it called when you determine the price of one unit
Unit Rate
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 a proportion? 3/14, 9/42
Hint: remember to use the test for proportions...check your notes!
Yes
Brenda can deliver 644 newspapers in 7 hours. How many newspapers can Brenda deliver in 9 hours?
828 newspapers in 9 hours
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: t/2 = 9/6
t=3
Charles can type 675 words in 9 minutes. How many words can Charles type in 13 minutes?
975 wording in 13 minutes
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
In the equation 2x + 3 - 7x +6, name the like terms
2x, -7x
3,6
Are the ratios equivalent? 3 paintings to 16 photographs 6 paintings to 32 photographs
Yes
Solve for q: 3:5=q:10
q=6
Luke can paint 91 portraits in 7 weeks. How many portraits can Luke paint in 4 weeks?
52 portraits in 4 weeks
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
Write as a ratio: 42 pairs of hi-tops out of 56 pairs of sneakers? Simplify
3:4
7/p= 8/9
p=7.875
At the market, 8 batteries cost $10. How much do 6 batteries cost? Explain.
$7.50 for 6 batteries
Name all the people in this class who scored baskets at yesterday's staff/student basketball game
Sam
Sheila
Jacob
Two ratios that are equal