Let x and y be directly related. If x is 18 when y is 6, find y when x is 21.​

y=42? because 6*2=18 so 21*2=42??

7

Step-by-step explanation:

18/6 = 3 so we can assume that for every 3 x there is 1 y. 21/3 = 7

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.