<span><span>8m</span><span>(<span>m+6</span>)</span></span><span>=<span><span>(<span>8m</span>)</span><span>(<span>m+6</span>)</span></span></span><span>=<span><span><span>(<span>8m</span>)</span><span>(m)</span></span>+<span><span>(<span>8m</span>)</span><span>(6)</span></span></span></span><span>=<span><span>8<span>m^2</span></span>+<span>48m or </span></span></span><span><span>8m</span><span>(<span>m+6</span><span>) Cheers,Irys</span></span></span>
<span>It will take 20 minutes. The fridge needs to cool down by 90-50=40degrees. The fridge cools at 2 degrees per minute, i.e. 40/2=20 minutes total.</span>
