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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 number of bushels of wheat produced by a farm is directly proportional to the number of acres planted in wheat. If a 28-acre farm yields 7392 bushels of wheat, and a 60-acre farm yields 15840 bushels of wheat, what is the constant of variation?

Solution: