Computer Prices
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| What would be a reasonable price for a 5.7 GB hard drive? | Unit Price for 3.2 GB is 137/3.2 or 42.8, for 4.3 GB is 150/4.3 or 34.9, for 5.1 GB is 163/5.1 or 32.0, and for 6.4 GB is 185/6.4 or 28.9. Since 5.7 is roughly the average of 5.1 and 6.4, the unit price should be around 30.5. Thus, a reasonable price would be 30.5(5.7) or $174. |
| How large a hard drive could you buy for $200? | Following the same reasoning as above, the unit price for a $200 drive would be 28.5. Thus $200/28.5 = 7.0. The drive would be around 7.0 GB. |
| Based on the memory prices, how much would you expect to pay for 48 MB? | 60.5/32 = 1.89, 111/64 = 1.73, 204/128 = 1.59. Thus 48 MB memory should cost somewhere between 1.73 and 1.89, around 1.81. 1.81(48) = 87 MB. |
| How much would a 21 in. monitor cost? | Unit increase from 15 to 17 is 101/2 or 50.5. From 17 to 19, it is 239/2 or 119.5. From 20 to 21, it is 369/1 or 369. A 21 in. monitor would increase in cost around $900, with a final price of $1777. |
| Offer an explanation why a monitor's cost increase so much the large monitor that you buy? | The measurement of monitors is on the diagonal. As you increase the diagonal, you increase each side which makes a larger monitor. |