Ratio
4:12
1:3 or 1/3
Solve for a: a/6 = 6/9
a=4
The ratio of pencils to erasers in a box is 6 : 1. If there are 48 pencils, how many erasers are there?
Answer: 8 erasers
You can buy a Mathematics book for Php400. How many can you buy for Php1200? Give the proportion and answer the question.
1:400 = n:1200
n=3
If 4 notebooks cost Rp20,000, how much do 10 notebooks cost?
Answer: Rp50,000
The equality between two ratios.
Proportion
Are these fractions proportional? 3/14, 9/42
Yes
The ratio of cats to dogs in a pet shop is 5 : 8. If there are 40 dogs, how many cats are there?
Answer: 25 cats
If 12 tickets cost £30.00 how much will 13 tickets cost?
£32.50
A car travels 150 km in 3 hours. At the same speed, how far will it travel in 5 hours?
Answer: 250 km
What are the 2 ways to write an equivalent ratio? A) Adding B) Subtracting C) Multiplying D) Dividing
C and D
Solve for t: t/2 = 9/6
t=3
The ratio of red marbles to blue marbles is 4 : 9. If there are 36 blue marbles, how many red marbles are there?
Answer: 16 red marbles
If 12 treats cost £11.40 how much will 10 treats cost?
£9.50
If 6 apples weigh 900 grams, how much do 10 apples weigh?
Answer: 1500 grams
Are the ratios equivalent? 3 paintings to 16 photographs 6 paintings to 32 photographs
Yes
Solve for q: 3:5=q:10
q=6
recipe uses sugar and flour in the ratio 2 : 7. If 14 cups of flour are used, how many cups of sugar are needed?
Answer: 4 cups of sugar
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
A map uses a scale of 1 : 200. If the distance between two places on the map is 8 cm, what is the actual distance?
Answer: 1600 cm (or 16 m)
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
The ratio of mango trees to avocado trees to guava trees is 5:4:3. If there are 1,176 trees in the orchard, how many mango trees are there?
There are 490 mango trees.
If 7 workers can build a fence in 14 days, how many days will 7 workers take to build the same fence?
Answer: 14 days