Question

Garret is in the middle of a 202020-minute bike ride. It takes 444 minutes for him to go a kilometer, so he'll end up going 555 kilometers. Suppose kkk is the number of kilometers Garret has already biked.

Match the expressions to their meanings. Each meaning may match more than one expression.

Number of minutes Garret has already biked
Number of minutes remaining in Garret's ride
Number of kilometers Garret has left to ride
None of these
5(4-k)5(4−k)5, left parenthesis, 4, minus, k, right parenthesis
5-k5−k5, minus, k
20-4k20−4k20, minus, 4, k
4(5-k)4(5−k)4, left parenthesis, 5, minus, k, right parenthesis
4k4k4, k

Answer 1

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