Question

if A is directly proportional to B And A=4 when B=6 what is the value of A when B=27​.​

Answer 1

Answer:

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Answer 2

$\huge\sf\underline\blue{Answer!}$

GIVEN :-

A is directly proportional to B.

A = 4 , B = 6.

B = 27 , A = ?.

TO FIND :-

The value of A when B = 27.

SOLUTION :

$\sf \frac{{x}_{1}}{ {y} _{1} } = \frac{{x}_{2}}{ {y} _{2} }$

x1 = 4

x2 = ?

y1 = 6

y2 = 27

$\sf \frac{4}{ 6 } = \frac{{x}_{2}}{27 } \\ \sf \: 4 \times 27 = {x}_{2} \times 6 \\ \sf \: 108 = {x}_{2} \times 6 \\ \sf \: \frac{108}{6} = {x}_{2}$

$\sf \: {x}_{2}= 18$