Sarah's weight is 1/2of Luke's weight, whose weight is 3/4of Dan's weight, whose weight is 7/8 of Ed's weight. If Sarah weighs 105 pounds, how much does Ed weigh?

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for

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