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.
'pound' is short for 'pound weight' which was libra pondo in Latin. The libra part meant both weight or balance scales. The Latin usage was shortened to libra, which naturally was abbreviated 'lb'.