Acyclist rides at a constant speed, traveling 30 miles in 1.5 hours. write a proportion that gives the number x of miles the cyclist rides in 4 hours

the answer is a if my teacher taught me correct

the radius is 2 times the diameter.

step-by-step explanation:

4

step-by-step explanation:

im pretty sure it's 4 beacsue 8/2 equals 4

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.