Evaluate the expression when a=3 .

27÷a =

9

Step-by-step explanation:

Hey there

if a =3 in the equation 27/a

we evaluate it, it will look like 27/3

if we solve it :

27/3 = 27÷ 3

27÷ 3 = 9

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constant of proportionality = 3 and the equation is c = 3p.

step-by-step explanation:

c = kp   where c = amount of caffeine in mg., p = oz of pepsi and k is the constant of proportionality.

substituting the values given:

24 = 8k

k = 3.

the same value of k will be obtained if we substitute the other given values.