Kayla has a younger sister an a older brother. her younger sister is 3 years more than half of kayla's age. her older brother is 7 years less than twice kayla's age. if the sum of all three of their ages is 38 how old is kayla?

the barter

what statement? is there an image?

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.