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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
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43 votes
43 votes
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

User Dmestrovic
by
2.7k points

2 Answers

15 votes
15 votes
i am assuming the equation needs a variable so ...
4 + r = 7
r = 3
User Shalisha
by
3.2k points
10 votes
10 votes
Marta won 3 more red ribbons because she had 4, then obtained 3, causing her to now have a total of 7 ribbons
User Arthur Sult
by
2.8k points
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