Answer:
1857 miles.
Step-by-step explanation:
We have been given that the scale on a map is 1 cm:30 mi. The distance on the map between San Francisco, CA, and Chicago, IL, is 61.9 cm. We are asked to find the actual distance between San Francisco and Chicago.
We will use proportions to solve our given problem.

Upon substituting map distance between San Francisco and Chicago, we will get:




Therefore, the actual distance between San Francisco and Chicago is 1857 miles.
Answer:
Step-by-step explanation:
35x4 =140
40x4=160 +
----------------
300$ all together
Hope this helps
And don't forget to mark as brainliest
Answer:
1184.5
Step-by-step explanation:
150+400+180+300=1030
1030 × 15% = 154.5
(15% is also 0.15)
1030 + 154.5 = 1184.5
I hope this helps you :)
No, 243 is not a prime number, it is a composite number.
I hope I helped you again :-)
Answer: -8 and -4
This is something you do through trial and error. Making a list or a table like shown below might help.