Kim can wash 150 window panes in 3 hours. Gary can wash 110 window panes in 2 hours. Kim and Gary work together to wash a total of 290 window panes. If they continue to wash at the same rate, how long will it take them to wash the 290 window panes? Give your answer in hours and minutes, to the nearest minute.

3 hours because it is a decent distance.

gasoline is a mixture. it contains several different kinds of compounds that can be present in a variety of ratios.

the term hydride is commonly named after binary compounds that hydrogen forms with other elements of the periodic table. hydride compounds in general form with almost any element, except a few noble gases. the trends and properties vary according to the type of intermolecular force that bonds the elements together, the temperature, its molecular masses, and other components. hydrides are classified into three major groups, depending on what elements the hydrogen bonds to. the three major groups are covalent, ionic, and metallic hydrides. formally, hydride is known as the negative ion of a hydrogen, h-, also called a hydride ion. because of this negative charge, hydrides have reducing, or basic properties. its special characteristics will be further discussed.

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