An athlete in training rides his bike 20 mi and then immediatly follows with a 10 mi run. the total workout takes him 2.5 hr. he also knows that he bikes about twice as fast as he runs. determine his biking speed and his running speed

well what did you do it matters what you did : )

step-by-step explanation:

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.