how many car audio speakers do i get with this purches link inside?

[Jason]

http://www.bestbuy.com/site/olspage.jsp?id=1202650213272&type=product&skuId=87 43078

2 or 4? for the 70$$

and if i were to get these speakers and this sub and car dash how much would installation cost heres the links to all the dash the subs and the installation and what installation does the subs fit under?

http://www.bestbuy.com/site//olspage.jsp?id=pcmcat143000050016&type=category

http://www.bestbuy.com/site/olspage.jsp?id=1170289779829&type=product&skuId=82 65664

http://www.bestbuy.com/site/olspage.jsp?id=1216424485972&type=product&skuId=89 58899

how much would that all cost me installation and all for my mercury sable GS ( year 2000 ) car Sudan i think its a normal card not like station wagon or anything and yes they all fit in my car i checked the site.

[yeshewa]

subs get put in with the amp, the 70 bucks should be for four paying more than 40 a set for spkrs is A LOT. you need parts for the in dash itself running u around a hundred dollars. the amp is around 120 or so in parts with an 8 gauge kit