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Marta has 4 red ribbons.she wins some more red ribbons.now she has 7 red ribbons. How many more red ribbons did marta win
? Write an equation to show why your answer is correct

Respuesta :

monchi90
Marta won 3 more red ribbons because she had 4, then obtained 3, causing her to now have a total of 7 ribbons
i am assuming the equation needs a variable so ...
4 + r = 7
r = 3

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