alleryStart learning →Which equation, and why?
Exercise and reference answers
- Items
- Item
- Workers against days
- Category
- Use x₁y₁ = x₂y₂
- Item
- Taps against filling time
- Category
- Use x₁y₁ = x₂y₂
- Item
- Speed against travel time
- Category
- Use x₁y₁ = x₂y₂
- Item
- Hours worked against wages
- Category
- Use x₁/y₁ = x₂/y₂
- Item
- Kilograms against cost
- Category
- Use x₁/y₁ = x₂/y₂
- Categories
- Item
- Use x₁y₁ = x₂y₂
- Item
- Use x₁/y₁ = x₂/y₂
Explanation
Choosing correctly is the whole task. Source: syllabus Maths, Ch 11 Direct and Inverse Proportions.