SOLUTION: kaari is taller than elane the difference between the height is 20 cn . kaari's height times 8 is equal to 9 times elane's height. What are their heights
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Question 647517: kaari is taller than elane the difference between the height is 20 cn . kaari's height times 8 is equal to 9 times elane's height. What are their heights
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
kaari is taller than elane the difference between the height is 20 cn . kaari's height times 8 is equal to 9 times elane's height. What are their heights
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Equations:
k - e = 20 cm
8k = 9e
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Substitute for "k" and solve for "e":
k = 20+e
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8(20+e) = 9e
160 + 8e = 9e
e = 160 cm (Elane's height)
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Solve for "k":
k = 20 + e
k = 180 cm (Kaari's height)
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Cheers,
Stan H.
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