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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 mangoes varies directly as the number of mangoes. The cost of 9 mangoes is Rs 27, and the cost of 21 mangoes is Rs 63. What is the constant of variation?




Solution: