Tap every pair that varies DIRECTLY

Exercise and reference answers

Questions

1. Items

   1. Text

      Quantity of sugar and its cost

      Matches the category

      Yes

   2. Text

      Distance covered and time, at a fixed speed

      Matches the category

      Yes

   3. Text

      Number of items and total price

      Matches the category

      Yes

   4. Text

      Number of workers and time for a job

      Matches the category

      No

   5. Text

      Speed and time over a fixed distance

      Matches the category

      No

   Category

   Varies DIRECTLY

2. Items

   1. Text

      Number of workers and time to finish

      Matches the category

      Yes

   2. Text

      Speed and time for a fixed distance

      Matches the category

      Yes

   3. Text

      Quantity bought and total cost

      Matches the category

      No

   4. Text

      Distance and time at fixed speed

      Matches the category

      No

   Category

   Varies INVERSELY

Explanation