Question

Identify the variation as direct inverse joint or combined. The cost of the number of the same articles purchased varying with the number purchased

Answer 1

This is a direct variation, since the cost and the number of articles purchases both go up.

Answer 2

Direct variation

Explanation:

The cost of the number of articles purchased vary with the number of articles purchased.

Suppose the cost of 1 shirt is $12, the cost of 10 shirts = 10 times 12 is 120

The cost of the purchase depends on the number of items purchased

The cost varies directly with the number of items purchased

So its a direct variation