﻿ The ratio of white marble and black marble is 1: 2. If the ratio of white, black and red marble by adding 7 red marble. 2: 4: 3, so tell us , 26.02.2020 09:10, malikfaiz24

# The ratio of white marble and black marble is 1: 2. If the ratio of white, black and red marble by adding 7 red marble. 2: 4: 3, so tell us how much is black marble ? plz solve​   ### Other questions on the subject: Math Math, 18.08.2019 10:00, priyansh86
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The ratio of white marble and black marble is 1: 2. If the ratio of white, black and red marble by a...

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