meli25
Answered

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Your family goes to a Southern-style restaurant for dinner. There are 5 people in your
family. Some order the chicken dinner for $13 and some order the steak dinner for $18. The total bill was $80.

a) How many people ordered steak dinner?

b.) How many people ordered chicken dinner?

Sagot :

luana
[tex]x-number\ of\ people\ who\ ordered\ chicken\\5-x-number\ of\ people\ who\ ordered\ steak\\\\13x+18(5-x)=80\\13x+90-18x=80\\13x-18x=80-90\\-5x=-10\ \ \ \ \ |:-5\\x=2\\\\5-2=3\\\\a)\ 3\ of\ them\ ordered\ steak\\b)\ 2\ of\ yhem\ ordered\ chicken[/tex]
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