Examples: Rates or Ratios

Speed: A bicycle travels 80 kilometers in 4 hours. The rate of the bicycle's speed is 80 kilometers / 4 hours = 20 kilometers per hour.

Flow Rate: A tap fills a bucket with 30 liters of water in 5 minutes. The rate of water flow is 30 liters / 5 minutes = 6 liters per minute.

Earning Rate: A worker earns €240 for 6 hours of work. The rate of earning is €240 / 6 hours = €40 per hour.

I can exchange $100 for €55. The AUD to Euro exchange rate is 0.55€/$

Kilometers per Liter: A car travels 450 kilometers on 30 liters of fuel. The rate of kilometers per liter is 450 kilometers / 30 liters = 15 kilometers per liter.

Fruit Basket: In a basket, there are 4 apples and 6 oranges. The ratio of apples to oranges is 4:6, which simplifies to 2:3.

Juice Mix: A juice mixture contains 1 part orange juice to 4 parts apple juice. The ratio of orange juice to apple juice is 1:4.

Classroom: In a classroom, there are 25 boys and 15 girls. The ratio of boys to girls is 25:15, which simplifies to 5:3.

Ingredients: A cake recipe requires 250 grams of sugar and 150 grams of butter. The ratio of sugar to butter is 250:150, which simplifies to 5:3.

Height: The ratio of a person's height to their arm span is 1:2. If their height is 160 cm, their arm span is 320 cm.