15% of an amount is 30. Calculate the whole amount using two different strategies, one of which must include a pictorial model.

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

24 students walk to school