Maths / Direct and Inverse Variation / Direct Variation

QUESTION
 

x and y vary directly. Complete the following table by finding the value of a, b, c and d.

x24b16d
y3a15c27
EXPLANATION
Explain TypeExplanation Content
Text
x24b16d
y3a15c27

large k=frac{x}{y}=frac{2}{3}

large frac{4}{a}=frac{2}{3}Rightarrow a=frac{4X3}{2}=6

large frac{b}{15}=frac{2}{3}Rightarrow b=frac{15X2}{3}=10

large frac{16}{c}=frac{2}{3}Rightarrow c=frac{16X3}{2}=24

large frac{d}{27}=frac{2}{3}Rightarrow d=frac{2X27}{3}18

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