Mathematics, 07.04.2021 18:10, samantha9014

Maria and Toni are sisters and Jacob and Marcel are brothers . Maria's age plus Toni's age equals 36. Jacob's age plus Marcel's age equals 33. Maria's age plus Jacob's age equals 29 Toni's age is 21. How old is Marcel ? A 14 B. 15 C.19 D. 21

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