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PLEASE HELP FAST!!!Write an inequalitythat can be used to represent this situation, where x represents Dean's sister's age. Deans is twice his sister's age. The sum of their ages is no more than 21 years. plz help this is for my finals

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ogatalata

Answer:


Step-by-step explanation:

y = Dean's age

x = Dean's sisters age

y = 2x

x + y < 21

Answer:

x +2x =21

Step-by-step explanation:

2x or x × 2 is deans age.

sum of the ages will be x +2x =21

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