PLEASE ANSWER!!! Boris Drove to the mountains last week. There was heavy traffic on the way there, and the trip took 10 hours. When Boris drove home, there was no traffic and the trip only took seven hours. If his average rate was 18 mph faster on the trip home, how far away does Boris live from the mountains?

Step-by-step explanation:

Let +d+ = the one-way distance to the mountains in miles

Let +s+ = his speed going to the mountains in mi/hr

+s+%2B+27+ = his speed on the trip home in mi/hr

equation for going to the mountains:

(1) +d+=+s%2A7+

Step-by-step explanation:

I hope this helps mark as brainliest if correct

question 1 is 8, question 2 is 9, question 3 is 24

step-by-step explanation:

now, the numbers they give you at the top are the key. from there, you just have to plug and chug! let's try 1, 2, and 3!

key: a=3, b=5, c=6

1. a+5

remember, a=3, so we plug that in to get 3+5=8

2. 15-c

c=6, so we plug that in to get 15-6=9

3. 4b

b=6, so we plug it in to get 4*6=24

time to try the rest on your own! if you put the answers below in a comment, i'll check them for you!