Answer :
Answer:
Step-by-step explanation:
We have:
20-minute bike ride
It takes 4 minutes for him to go a kilometer
k is the number of kilometers Garret has already biked
Number of minutes Garret has already biked:
4k
Number of minutes remaining in Garret's ride
20-4k
4(5-k)
Number of kilometers Garret has left to ride
5-k