Cookiemonster829 Cookiemonster829

26-03-2017
Mathematics

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Anna and David left an 18% tip after having dinner at a restaurant.The amount of the tip was $9. Anna's dinner cost $28. Which equation can you use to find x, the cost of David's dinner.

A. 0.18(x+28)=9
B. 0.18x+28=9
C. 18(x+28)=9
D. 0.18x=28+9

Respuesta :

Аноним Аноним

26-03-2017

A. 0.18(x+28)=9

It is because, Tip is 18% of the sum of their dinner... so the sum of the dinner would be: x+28 and their 18% would be: 0.18 multiplied the expression

Hope this helps!

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Аноним Аноним

26-03-2017

A. 0.18(x+28)=9
Hope it helps :)

Answer Link

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