The factors in this expression are 3 and 4. Hope this helps! =)
Algebraic expression: 100+8n=x
cost if 20 people attend: 100+8*20 = 100+160
cost if 50 people attend: 100+8*50 = 100+400
New cost of the party when 'n' people attend:100+250+8n=x
Cost for party with 40 people and dj:100+250+n(8+2)=x
Answer:
Pace in miles per hour = ![6\frac{18}{33}\ miles\ per\ hour](https://tex.z-dn.net/?f=6%5Cfrac%7B18%7D%7B33%7D%5C%20miles%5C%20per%5C%20hour)
Step-by-step explanation:
Distance ran in 33 minutes = ![3\frac{3}{5}\ miles = \frac{18}{5}\ miles](https://tex.z-dn.net/?f=3%5Cfrac%7B3%7D%7B5%7D%5C%20miles%20%3D%20%5Cfrac%7B18%7D%7B5%7D%5C%20miles)
33 minutes = ![\frac{18}{5}\ miles](https://tex.z-dn.net/?f=%5Cfrac%7B18%7D%7B5%7D%5C%20miles)
1 minute = ![\frac{18}{5}*\frac{1}{33}\ miles](https://tex.z-dn.net/?f=%5Cfrac%7B18%7D%7B5%7D%2A%5Cfrac%7B1%7D%7B33%7D%5C%20miles)
60 minutes = ![\frac{18}{5*33}*60\\](https://tex.z-dn.net/?f=%5Cfrac%7B18%7D%7B5%2A33%7D%2A60%5C%5C)
60 minutes =
miles
Unit rate = ![6\frac{18}{33}\ miles\ per\ hour](https://tex.z-dn.net/?f=6%5Cfrac%7B18%7D%7B33%7D%5C%20miles%5C%20per%5C%20hour)
First of we know that B and C is definitely wrong.
then D is unrealistic so A is the correct answer.
It is a really simple question.