Verified answer

COMBINED VARIATION

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Question:

z varies jointly as x and y and inversely as w. z = 100 when x=5, y=6, and w=3

Answer:

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Solve:

Find the constant (k) where:

• z = 100
• x = 5
• y = 6
• w = 3

Divide both sides to 10 to find the constant.

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