Mathematics, 16.01.2021 19:30 godchaux15395

There are 12 varieties of birds in a zoo, the number of each variety being double of the number of another variety. If the number in the first
variety is 3, find the number in the last variety and also total number of
all varieties of birds in the zoo. maths gp

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There are 12 varieties of birds in a zoo, the number of each variety being double of the number of...

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