Wednesday

December 17, 2014

December 17, 2014

Posted by **Derek** on Sunday, October 10, 2010 at 12:26pm.

13 instructors

15 instructors

105 instructors

77 instructors

- Mat 126 -
**Ms. Sue**, Sunday, October 10, 2010 at 12:37pmRatio:

3000/90 = 3500/x

Cross multiply:

3000x = 315000

x = ?

- Mat 126 -
**Kelli**, Sunday, November 21, 2010 at 8:51pmCross multiply 3000/90=3500/x

3000x=315,00 divide each side by 3000 and you get x=105 then take 105 and subtract from the original number of 90 and you get 15. So they need to hire 15 more instructors to keep the same student/teacher ratio.

- Mat 126 -
**kiesha**, Monday, October 3, 2011 at 1:09amA person hires his firm to build a Cb radio tower. The firm charges $100 for labor for the first ten feet.

After, that the cost of the labor for each succeeding 10 feet is $25 more than the preceding 10 feet. That is, the next feet will cost $125, the next 10 feet will cost $150, etc. How much will it cost to build a 90-foot tower?

**Answer this Question**

**Related Questions**

Math126 - A Community College has 3,000 student and 90 instructors.The college ...

Math - A community college has 3,000 students and 90 instructors. The college ...

math - A community college has 3,000 students and 90 instructors. The college ...

math - A community college has 3,000 students and 90 instructors. The college ...

maths - A community college has 2,000 students and 50 instructors. Next year the...

math - A community college has 2,000 students and 50 instructors. Next year the ...

testing and selection of dogs - please check this for me thank you Why should ...

math - The enrollment in a university is now 52,500, an increase of 5% over the ...

Math - Can you tell me if I got these wrong or right? 1. Ms. Jordan has been ...

grammar - What is the correct way to write this sentence. Each of the ...