Homework Help: math please help ms.sue

Posted by Cassidy on Sunday, October 21, 2012 at 6:46pm.

MegaMart collects a sales tax equal to 1/16 of the retail price of each purchase and sends this money to the state government.

a. Is the amount of tax collected proportional to the cost of an item before tax is added?

b. Is the amount of tax collected proportional to the cost of an item after tax has been added?

math please help ms.sue - Ms. Sue, Sunday, October 21, 2012 at 6:53pm
Bobpursley already answered this for you.
math please help ms.sue - Cassidy, Sunday, October 21, 2012 at 6:56pm
yes i know, but i don't why it end up with 17/16*price. how it became 17?

Tax=1/16* price

cost=tax+price=1/16 price+price=17/16* price
math please help ms.sue - Ms. Sue, Sunday, October 21, 2012 at 7:00pm
16/16 = 1

1 + 1/16 = 17/16
math please help ms.sue - Cassidy, Sunday, October 21, 2012 at 7:10pm
ahhhhh....i see!!!! thank you soooo much for answering me and give me the more details :)
math please help ms.sue - Ms. Sue, Sunday, October 21, 2012 at 7:15pm
You're very welcome.

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