Total divided in a three-part ratio: one part

The same question, asked 2 times: 17 Jul 2023 S2*, 24 Jul 2023 S4. Every wording below, oldest first.

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Question 1
17 Jul 2023 S2
62 $In a bag containing red, green and blue pens, the ratio of red, blue and green pens, in the given order, was 7 : 4 : 9. If the total number of pens in the bag was 320, how many of them were red?$
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Question 2
24 Jul 2023 S4
73 $A pole is 9030 cm long. It is colored saffron, white and green in the ratio of 6:7:8. Find the length of the green part of the pole.$
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Question 1