document.write( "Question 1066370: Define two variables. Write two equations and then solve.
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document.write( "Two airplanes travel toward each other from cities that are780 km apart at the speeds of 190 km/h and 200 km/h. They left at the same time. In how many hours will they meet? \n" );
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Algebra.Com's Answer #681540 by josgarithmetic(39627) ![]() You can put this solution on YOUR website! https://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev \n" ); document.write( "https://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev \n" ); document.write( " |