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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 cost of publishing pamphlets varies directly as the number of pamphlets produced. If it costs 423 to publish 141 pamphlets, and it costs 3807 to publish 1269 pamphlets, what is the constant of variation?