Appendix B: Inductive and Deductive Reasoning 
Numbers in the Real World

Computer Prices

Instead of buying a ready-made computer, many people are opting to build a computer themselves.  With parts that used to be readily available only to manufacturers, anyone can build a PC that is right for them.  The following prices were obtained from the Net.
 

HARD DRIVES
SDRAM MEMORY MODULES
Gigabytes (GB)
3.2
4.3
5.1
6.4
8.4
11.5
Dollars
137
150
163
185
232
304
Megabytes (MB)
32
64
128
Dollars
$60.50
111.00
204.00
 MONITORS
Inches 
15
17
19
20
Dollars
168
269
508
877
 
 

  1. What would be a reasonable price for a 5.7 GB hard drive?
  2. How large a hard drive could you buy for $200?
  3. Based on the memory prices, how much would you expect to pay for 48 MB?
  4. How much would a 21 in. monitor cost?
  5. Offer an explanation why a monitor's cost increase so much the large monitor that you buy?
    Check Your Answers