<span>1,1:(х+0,14)=2,5
1,1х+0,154=2,5
1,1х=2,5-0,154
1,1х=2,346
х=2,346:1,1
х=2,13
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<span>1) (</span>126<span>+</span>84<span>)/</span>5<span>=42 </span>км<span> (</span>скорость<span>)</span>
<span>2)<span> (</span>126<span>/42=3 </span>часа<span> </span></span>
<span> </span><span>Ответ: 3 </span>часа<span>.</span>
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