100 o
o7
9
In a sale everything is reduced by 15%.
A week later the prices are reduced by another 20%.
The shopkeeper says that all the prices have been reduced by 35%.
5
Show that the
shopkeeper is wrong. Reduce b
educe by ist
by !5​

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