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1 March, 18:53

Divide 33 photos into two groups so the ratio is 4:7.

How do you properly write the answer?

4 7

4 7

4 7

4+4+4=12

7+7+7=21

12+21=33

Is that the answer? Or should it be 12/21? Or 12:21?

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Answers (1)
  1. 1 March, 19:17
    0
    To do this task the best way is always add both "sides" of ratio and divide whole group by this sum.

    sum=4+7=11

    33:11=3

    Now we know how much is 1 and we can multiply by 4 and by 7 to find the answer.

    3*4=12 - first group

    3*7=21 - second group

    Your result is ok.
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