From the following table, determines and q if x and y

(i) From the following table, determines and q if x and y vary directly:

(ii) From the following table, determine a and b if x and y vary inversely:

Solution:

More Solutions:

• A, B and C can separately do a work in 2, 6 and 3 days
• A, B and C together can do a piece of work in 15 days
• A and B together can build a wall in 10 days
• Two quantities are said to be in direct variation
• Two quantities x andy are said to be in inverse variation