A passenger plane made a trip to Moscow and back. The trip there took five hours and the trip back took eight hours. It averaged 170 mph on the return trip. Find the average
speed of the trip there.

nope.   happens to me as well.

-aparri

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.

i believe it’s 165 because if u add 137 and 58 u get 195 and then subtract that from 360 and there’s ur answer