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Mathematics, 08.07.2019 16:00 kaiyakunkle

On these few question 1. a java book is comprised to two sections core and advance java in the ratio 7: 2.how much of each type of content will be needed to make a book of 450 pages 2.30 girls and boys have planned for a picnic. there is a ratio of 3 girls to 7 boys. how many boys are there 3. 3: 4 = 15: 20. true or false answer this and fast new questions will be 60 points

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