Posted by **Ken** on Monday, October 19, 2009 at 11:11pm.

Twelve couples, who live in the Happy

Retirement Villa, decide to install intercom systems between each of their 12 suites. How many connecting lines are necessary to permit direct conversation between any suites?

(a) 2 couples

(b) 3 couples

(c) 4 couples

(d) 5 couples

Thank you

## Answer This Question

## Related Questions

- maths - Twelve couples, who live in the Happy Retirement Villa, decide to ...
- maths - Twelve couples, who live in the Happy Retirement Villa, decide to ...
- Math - A football stadium can seat 80,000 people The stadium sells tickets for ...
- math - How much wire should he buy if 2 windows are 15 ft. off ground and 2 ...
- math - The Men's Warehouse has suites on sale for buy one full priced, get the ...
- help i have no idea!!!!!! math - The Men's Warehouse has suites on sale for buy ...
- The IM (LIVE EXPERTS) thing - Hi, Jishka I thought that this live expert thing ...
- computer - 2. _____is applications software designed to help users be more ...
- Accounting - The individual portion of this assignment is for each person to ...
- maths geometry - Find and write down a proof that the product of the gradients ...

More Related Questions