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Silvia gave 1/3 of her stamp collection to Maria and 2/7 to Carol. What fraction of the stamps did Silvia keep? How many stamps did Silvia have in her collection, with 64 stamps left? Complete course by Prof Robson Liers: www.mathematicamente.com.br ________________________________________________________________ ________________________________________________________________ If you want to help me so that the channel continues to grow, you can: Subscribe: https://bit.ly/3iFWTuW Become a member of the channel: https://bit.ly/3nlOiQi _________________________________________________________________ _________________________________________________________________ Visit my website: https://www.mathematicamente.com.br Follow me on my social networks: Facebook: / robsonliers.professor Instagram: / prof.robsonliers TikTok: @robsonliers ________________________________________________________________ ________________________________________________________________ Contact for partnerships: [email protected] PERCENTAGE - PROBLEM SOLVING - Exercise 1 - Prof Robson Liers - Mathematicamente #Mathematics #fractions PROBLEM SOLVING WITH FRACTIONS - QUESTION 3 - Prof Robson Liers - Mathematicamente