<u>Answer:</u>
3 and 60
<u>Step-by-step explanation:</u>
For the given proportions,
, 3 and 60 are the extremes while 12 and 15 are the means.
To understand this, we can take a look at an example.
Suppose two ratios a:b and c:d are in proportion.Then it can be expressed as
:

Here, a and d are the extreme ends and b and c are the means.
It should be n+4=3n. Hope this helps
Answer:
B, and W are correct i think
Step-by-step explanation:
Answer:
249 ft
Step-by-step explanation:
70yd=210 ft so 210+15+24=249
X is less than or equal to 6