Ratio Basics
A zookeeper uses 15 bags of acacia leaves and 8 bags of eucalyptus leaves. What is the ratio of acacia to eucalyptus?
15:8 (or 15 to 8)
In a box of 15 chocolates (7 nut, 3 truffle, 5 caramel), what is the ratio of truffles to the total?
3:15 or 1:5
Store A sells 2 pineapples for $5.00. What is the price for one?
$2.50
A table shows 1 doll for every 2 stuffed animals. If there are 4 dolls, how many stuffed animals are there?
8
How many feet are in 78 inches?
6.5 ft
If a student has 8 marbles and 3 are green (the rest are yellow), what is the ratio of yellow marbles to green marbles?
5:3 (Since 8 - 3 = 5 yellow)
If 3 out of 8 marbles are green, what ratio represents the non-green marbles to the total?
5:8
Store B sells 4 pineapples for $8.00. Which store has the lower unit price?
$2.00
When plotting the ratio 1:2 on a graph (Dolls, Stuffed Animals), what is the coordinate for 3 dolls?
(3,6)
How many meters are in 50 kilometers?
50,000 meters
A recipe uses 0.5 cups of butter and 3 cups of flour. What is the ratio of flour to butter in simplest whole numbers?
6:1
A fruit bowl has a ratio of 2 apples to 3 oranges. What fraction of the bowl is apples?
2/5
James writes 6 paragraphs in 24 minutes. How many minutes does it take him to write just one?
4 minutes
Looking at a laser tag table ($8 for 2 games, $12 for 3), what is the "rule" or equation to find the Price (P) for Games (g)?
P=4g
A recipe calls for 2 cups of sugar. If there are 16 cups in a gallon, what is the decimal value of the sugar in gallons?
0.125
A mix of chocolates has 7 nuts, 3 truffles, and 5 caramels. What are two ratios of truffles to the other two combined?
3:12 or 1:4
In a class, the ratio of boys to girls is 2:3. What decimal of the class is girls?
0.6
If a laser tag arena charges $20 for 5 games, how much would 12 games cost at that same rate?
$48
On a double number line, 120 miles aligns with 5 gallons. What number aligns with 1 gallon?
24 miles
If a zookeeper needs 15 lbs of leaves, but the scale only shows ounces, how many ounces does he need?
240 oz
If the ratio of cats to dogs is 4:5 and there are 45 animals total, how many are cats?
20 cats
A bag has red and blue marbles. If 20% are red, what is the ratio of red to blue?
1:4
A car travels 120 miles on 5 gallons. If gas costs $3.00 per gallon, how much does it cost to drive 240 miles?
$30.00
A graph of a proportional relationship passes through (2, 40) and (4, 80). What is the value of y when x is 7?
140
A runner finishes a 5km race. If 1 mile is approximately 1.6 kilometers, how many miles did they run? (Answer in decimal form).
3.125 miles