Writing and Simplifying Ratios
Nathan has 8 m&m's and Betty has 6 m&m's. Write a ratio for Nathan and Betty's m&m's.
8:6 or 4:3
Write an equivalent ratio for 5:8
many answers:
10:16, 50:80, 25:40
You pay $12 for 3 notebooks. What is the cost per notebook?
$4
15 is what percent of 60?
A $50 jumper increases in price by 10%. What is the new price?
$55
A recipe calls for 250 mL milk and 400 mL water. Write the ratio of milk to water in simplest form.
250:400 = 5:8
Divide $30 in the ratio 1 : 2.
$10 and $20
A runner covers 400 m in 50 seconds. What is their speed in m/s?
8m/s
What is 60% of 250?
150
A $60 pair of shoes decreases in price by 25%. What is the sale price?
A school has 48 students in Year 7, 36 in Year 8, and 60 in Year 9. Write the ratio of Year 7 : Year 8 : Year 9.
48:36:60
Simplest form 4: 3: 5
Is 12: 18 and 24:38 equivalent ratios?
no
If 5 kg of apples cost $15, what is the cost per kilogram?
$3 per kg
A student answered 45 questions correctly out of 50. What percent did they get correct?
90%
A phone’s price increases from $800 to $880. What is the percent increase?
10%
Simplify 144 : 108.
4:3
Divide 72 m of ribbon in the ratio 5 : 3.
45m and 27m
A cyclist travels at 24 km/h for 2.5 hours. How far do they travel?
60km
A jumper is on sale for 20% off. If the original price was $80, what is the sale price?
$64
A population of 5,000 changes to 4,500. What is the percent change?
10% decrease
Simplify the ratio 2.4 : 0.6.
4:1
Divide $450 in the ratio 3 : 4 : 5.
$90, $120, and $150
A car travels 150 km in 2 hours. What is its average speed in m/s?
1.25m/s
What is 25% of 42?
10.5
A bike’s price increases by 15% to $460. What was the original price?
$400