Marshall make a frame for picture the picture frame will be three times as long as it is wide width are the final 3 inches how much wood does my she need for the

-7/8

step-by-step explanation:

instead of subtracting you add the -6/8 and -1/8

chemists are often responsible for designing a chemical reaction and analyzing the products obtained from it. one significant part of designing a chemical reaction is determining the amount of each reactant that is needed and the amount of each product that will be produced. in order to do so, chemists use stoichiometry, the quantitative relationships between reactants and products.