Ratios
A ratio is a ___________ between two or more numbers.
Relationship or Comparison
For every 4 hot dogs, 5 sodas are sold. What is the ratio of sodas to hot dogs sold? Give 3 equivalent ratios.
What is 5 to 4, 10:8, 15\12
2/3 and 4/6
Equivalent. There is a common factor of 2 between the two ratios.
What value of x makes these ratios equivalent?
x:6 = 12:18
What is 4
A car travels 180 miles in 3 hours. What is the unit rate in miles per hour?
60 miles per hour
Write 11 limes to 6 lemons as a ratio in 3 ways.
11:6, 11/6, 11 to 6
On a map, 1 inch represents 20 miles. If two cities are 3.5 inches apart on the map, what is the real distance between them?
70 miles
1/6 and 2/7
Not Equivalent. No common factor between the two ratios
What value of x makes these ratios equivalent?
x/12 = 9/36
What is 3
A pump moves 48 gallons of water in 6 hours. How many gallons per hour does the pump move?
8 gallons per hour
What is another word for "equivalent"?
Equal
There are 3 pineapples and 5 bananas. What is the ratio of bananas to total fruit?
5:8
6/8 and 9/12
Yes 6/8= 3/4 9/12= 3/4
What value of x makes these ratios equivalent?
x/6 = 8/12
What is 4
Samantha earned $104 for 8 hours of work. How much does she earn per hour?
$13
What are the three types of ratios?
Part-to-Whole, Whole-to-Part, and Part-to-Part
If 4 notebooks cost $6, how much do 10 notebooks cost?
$15
5/10 and 4/8
yes 5/10 = 1/2 4/8= 1/2
What value of x makes these ratios equivalent?
6/10 = 18/x
What is 30
Sophie baked 216 cookies in 6 batches. How many cookies are in each batch?
36
What two operations will produce equivalent ratios?
A. Adding
B. Subtracting
C. Multiplying
D. Dividing
What is C & D Multiplying and Dividing
In a class, the ratio of boys to girls is 5:3. If there are 40 students total, how many are boys?
25 boys
9/20 and 3/10
Not Equivalent. No common factor between the two ratios
What value of x makes these ratios equivalent?
3:8 = 15:x
What is 40.
Liam read 224 pages over 2 weeks. What was his reading rate in pages per day?
16 pages