McKinley, a large consulting firm in the UK, has a consulting staff consisting of 600 consultants at the rank of ``associate''. On average, a consultant remains at the associate level for 2 years. After this time, 50% of the consultants are promoted to the rank of ``engagement manager''; the other 50% have to leave the company.
(a) In order to maintain the consulting staff at an average level of 600 associates, how many new consultants does McKinley have to hire each year at the associate level?

According to this excerpt, a key part of our national security strategy is

Increases in output and increases in the inflation rate have been linked to

Asmall town wants to build some new recreational facilities. the proposed facilities include a swimming pool, recreation center, basketball court and baseball field. the town council wants to provide the facilities which will be used by the most people, but they face budget and land limitations. the town has $400,000 and 14 acres of land. the pool requires locker facilities which would be in the recreation center, so if the swimming pool is built the recreation center must also be built. also, the council has only enough flat land to build the basketball court or the baseball field. the daily usage and cost of the facilities (in $1,000) are shown below. which facilities should they build? facilityusagecost ($1,000)landswimming pool4001002recreation center5002003basketball court3001504baseball field2001005