GCSE Secondary Maths Age 13-17 - Ratio, Proportion & Rates of Change: Ratio - Explained

The video tutorial explains a problem involving ratios of cows, sheep, and pigs on a farm. It starts by introducing the ratios of cows to sheep and sheep to pigs, then breaks down the problem to highlight tricky parts. The tutorial simplifies the ratios to find a common ratio for all animals and solves the equation to determine the number of sheep. Finally, it concludes with a discussion on marks allocation for solving the problem.

What is the initial ratio of cows to sheep on the farm?

• 6 to 5

• 1 to 2

• 5 to 6

• 2 to 1

How are the number of sheep related to the number of pigs?

• Sheep and pigs are equal

• Sheep are twice the number of pigs

• Sheep are half the number of pigs

• Pigs are twice the number of sheep

What is the simplified ratio of cows to sheep to pigs?

• 12 to 10 to 5

• 10 to 12 to 5

• 5 to 10 to 12

• 6 to 5 to 2

What is the total number of animals on the farm?

• 189

• 175

• 200

• 150

How many sheep are there on the farm?

• 60

• 70

• 80

• 90