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Mathematics 22 Online
OpenStudy (anonymous):

Melissa bought a cake that cost $75. The sales-tax rate is 10 percent. What is the total amount she paid for the cake?

OpenStudy (phi):

what is 10% of 75 ?

OpenStudy (phi):

when you find the tax, add it to 75 to get the total amount paid

OpenStudy (petiteme):

Get the 10% of 75, then add it to 75 :)

OpenStudy (phi):

10% of 75 is found by multiplying 10% * 75 but you must change 10% to either 0.10 or 10/100

OpenStudy (petiteme):

He's right :)

OpenStudy (anonymous):

welcome 2 os

OpenStudy (anonymous):

First of all @gateway.student : A Warm Welcome to 'Open Study'. Please Read CoC (compulsory to read by all "Open Study" users) : http://openstudy.com/code-of-conduct

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