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✒ VARIATIONS

• What kind of variation does each of the situation represent?

SITUATIONS:

A. The cost c of fish varies directly as its weight w in kilograms.

• Direct variation as it is stated 'varies directly'.with k as the constant of proportionality.
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B. The number of men n needed to do a job varies inversely as the number of days d to finish the job.

• Inverse variation as it is stated 'varies inversely' again with k as the constant of proportionality.
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