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Maths Exercices

Find the constant of variation: word problems

Peter walked a total of 12 kilometres by making 2 trips to school. Later on, he walked 18 kilometres during 3 trips. How many kilometres does Reid walk per trip?

Create a chart.

To find the constant of variation, divide "Total distance walked (kilometres)" by "Number of trips".

The constant of variation is 6.

      The income of a computer analyst varies directly as the number of hours worked. If the analyst earns $256 for working 4 hours, and earns $512 for working 8 hours, what is the constant of variation?