Answer:
<h2> 21 km </h2>
Step-by-step explanation:
If the bicyclist travels 7 km for every 5 minutes then it is directly proportional
5 min 7 km
15 min x

9a-27b you must multiply 9 to everything
It goes above the 3 because 7 does not go into 6
Answer:I'm sorry but I think you should explain A little more. I'm in algebra two and I'm a bit perplexed, not by the problem but what goes where
Step-by-step explanation:
Explain What the variables are and what they mean please!