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Mathematics 22 Online
OpenStudy (marziajackson$):

Marcy and Lucia had lunch at a restaurant. the bill for the lunch is $24 and they gave the waitress an 18% tip. what is the total cost for their lunch?

OpenStudy (anonymous):

multiply 24 by .18

OpenStudy (anonymous):

and add that to the original 24 dollars

OpenStudy (marziajackson$):

do you want the choices?

OpenStudy (marziajackson$):

A. $24.18 B.$24.32 C.$25.80 D.$28.32

OpenStudy (marziajackson$):

I have to have this done by 12:00

OpenStudy (anonymous):

sure so the answer is D. $28.32

OpenStudy (anonymous):

24 x .18 = 4.32 4.32 + 24 = 28.32 28.32 is how much was paid

OpenStudy (marziajackson$):

can you help me with another question real quick before you leave?

OpenStudy (anonymous):

sure!

OpenStudy (marziajackson$):

A laptop computer sells $850. The sales tax is 7%. What is the total cost of the laptop?

OpenStudy (marziajackson$):

A.$850.07 B.$850.70 C.$909.50 D.$920

OpenStudy (anonymous):

So same process multiply .07 by 850 = 59.5, add this to 850 and you get 909.5 so the answer is: C. 909.50

OpenStudy (marziajackson$):

Thank you so much! I go that question right and all the other question you helped me with! You are the best!

OpenStudy (anonymous):

Glad I could help, any time! (in theory :)

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