span class="nowrap">P<sub>s</sub>=T/A</span>, where T was another integer. The equations in (1) can be written as</p><p>N &equiv; R<sub>0</sub> (mod 60),&nbsp;&nbsp;TN&equiv;<span class="nowrap">R<sub>1</sub></span> (mod 60A),&nbsp;&nbsp;TN&equiv;<span class="nowrap">R<sub>2</sub></span> (mod U),&nbsp;&nbsp;&nbsp;(3)</p><p>where <span class="nowrap">R<sub>1</sub></span>=<span class="nowrap">Ar<sub>1</sub></span> and <span class="nowrap">R<sub>2</sub></span>=<span class="nowrap">Ar<sub>2</sub></span>. Althou