the equation $ 4y x is equivalent to y frac14 x so the slope of line l is frac14 l and m have the same slope since m has slope frac14 and passes through the point 0 5 the equation for line m is y frac14 x 5 other acceptable forms of the equation include y 5 frac14 xy+ 5 frac14 x $ 4y x 20 $ 4y 20 xote that students in 7th grade know that the graph of a proportional relationship is a line through 0 0 so this task assesses the specific connection between proportional relationships and their graphs with linear equations more generally
pound(noun) a unit of apothecary weight equal to 12 ounces troy. Synonyms: dog pound, quid, pound sterling, punt, lb, lbf., pounding, hammer, pound sign, hammering. Syrian pound, pound(noun) the basic unit of money in Syria; equal to 100 piasters.
The word 'pound' is short for 'pound weight' which was libra pondo in Latin. The libra part of the phrase meant both weight or balance scales. The Latin usage was shortened to libra, which naturally was abbreviated 'lb'. We adopted the pound part from pondo, yet kept the abbreviation for libra. There are different definitions for the mass of a pound, depending on the country. In the United States, the modern pound unit is defined to be 2.20462234 pounds per metric kilogram. There are 16 ounces in 1 pound.