A discount outlet is offering a 70% discount on all items.Select a linear equation giving the sale price S for an item with a list price L.
A) $L = 0.3 S$
B) $L = 0.7 S$
C) $S = 0.7 L$
D) $S = 70 L$
E) $S = 0.3 L$

Question

A discount outlet is offering a 70% discount on all items.Select a linear equation giving the sale price S for an item with a list price L.  
A) $L = 0.3 S$
B) $L = 0.7 S$
C) $S = 0.7 L$
D) $S = 70 L$
E) $S = 0.3 L$

Quizplus · Accepted Answer

A 70% discount means the customer pays 30% of the list price, so the sale price $S$ is 30% ($0.3$) of the list price $L$, which is represented by $S = 0.3 L$.

A Discount Outlet Is Offering a 70% Discount on All L=0.3SL = 0.3 SL=0.3S

A Discount Outlet Is Offering a 70% Discount on All $L = 0.3 S$