Grocery store's profit equals sales minus the cost and taxes. By what percent did the grocery store's profit changed on July 25,2005 When sales, cost, and taxes all increased?
(1) Grocery store's sales increased by 5 percent on july 25,2005.
(2) Grocery store's cost and taxes increased by 25 percent on July 25,2005.
[spoiler]Clearly A,D,B are OUT..
this is what i did S-sales, C-Cost, T-Taxes
combining. [S1.05-(C+T)1.20] - [S-(C+T)]/S-(C+T)
realising that taking S-(C+T) common from the numerator, we will get the final value!! and marked c[/spoiler]
HOWEVER answer is [spoiler]E!![/spoiler]
please explain what did i do wrong
(1) Grocery store's sales increased by 5 percent on july 25,2005.
(2) Grocery store's cost and taxes increased by 25 percent on July 25,2005.
[spoiler]Clearly A,D,B are OUT..
this is what i did S-sales, C-Cost, T-Taxes
combining. [S1.05-(C+T)1.20] - [S-(C+T)]/S-(C+T)
realising that taking S-(C+T) common from the numerator, we will get the final value!! and marked c[/spoiler]
HOWEVER answer is [spoiler]E!![/spoiler]
please explain what did i do wrong
