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algebra

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juan is 8 years than his sister rosa. one day, he tells rosa that he is twice her age, but will only be twice her age for one year. to figure out how old juan and rosa are, you must first identify the conditions. what are the conditions in this problem?

a) juan is twice as old as rosa; rosa's age
b) juan's age; rosa's age
c) juan is 8 years older than rosa; juan's age
d)juan is 8 years older than rosa; juan is twice as old as rosa

and the answer i picked was d

thanks

  • algebra -

    Right!

    Let x = Rosa's age

    2x = x + 8

  • algebra -

    the sum of

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