Question
27 of a bag of beads were white. 45 of the remaining beads were blue and the rest were grey. If there were 15 more blue beads than grey beads, how many beads were there in the bag altogether?
4 m

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27 of a bag of beads were white. 45 of the remaining beads were blue and the rest were grey. If there were 15 more blue beads than grey beads, how many beads were there in the bag altogether?