In the formula s=s0+vt, given that s=100, s0=25, v=10, find the value of t.
在公式s=s0+vt中，已知s=100，s0=25，v=10，求t的值．
<gadget id="calculator">100 - 25</gadget>
<output>75</output>

<gadget id="calculator">75 / 10</gadget>
<output>15/2 = around 7.5</output>

<result>15/2 = around 7.5</result>