Question

If y is directly proportional to x and y=24 when x=10,then find


(a)the constant of proportional
(b)The value of y when x =24
(c)the value of x when y =90


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Answer 1

option (B) is correct.......

Answer 2

Step-by-step explanation:

2.4 is constant of proportionality  with assumptions

otherwise data is not sufficient to get constant of proportionality

Step-by-step explanation:

Y ∝ aX + b

for x = 10

24 = 10a + b

if we assume that b = 0

then

24 = 10a

a = 2.4

2.4 is constant of proportionality  if b = 0

otherwise data is not sufficient to get constant of proportionality.

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