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13-09-2018
Mathematics

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if y varies directly with x and y =70 when x=14, find x when when y = 110

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Аноним Аноним

13-09-2018

x ∝ y

x

-- = c

y

x = yc

14 = 70c

c = 1/5

x = 1/5*110

= 22

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