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Mathematics, 11.04.2020 00:32 eastonstelter

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1. Determine the constant of variation for each direct variation.

a) The distance travelled by a bus varies directly with time. The
bus travels 240 km in 3 h.

b) The total cost varies directly with the number of books bought.
Five books cost $35.

c) The volume of water varies directly with time. A swimming
pool contains 500 L of water after 5 min.

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