Instruction: Translate the following direct variation statements into mathematical equation.
Example: The amount A of gasoline consumed is directly proportional to the distance d
travelled by a motorcycle. K is the constant of variation.
Answer: A=kd
Solution
Given
1. The price P of concert tickets varies directly to how
close the seats S are to the stage
2 The amount of slices Sin a cake varies directly with the
amount of people P who will be eating it.
3 The fallen leaves L on the ground varies directly with
the number of trees T planted in the surrounding area.
4 The electricity bill B of every household is proportional
to the number kilowatt hours H used.
5 Q varies directly as the square of R.​