James can buy a new computer for $600 and have it last 6 years, or buy 2 used computers for $200 each that each last 3 years. How much money will he save by picking the cheaper option?
First find the cost of the two used computers: $200/computer * 2 computers = $
<gadget id="calculator">200*2</gadget>
<output>400</output>
400.
Then subtract that cost from the cost of the new computer to find the savings: $600 - $400 = $
<gadget id="calculator">600-400</gadget>
<output>200</output>
200.

<result>200</result>