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Simone0820 Simone0820
  • 10-02-2015
  • Mathematics
Answered

30 girls and boys have planned for a picnic. There is a ratio of 3 girls to 7 boys. How many boys are there?

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jazzye13 jazzye13
  • 10-02-2015

should be 21 boys because 7+7+7 equal 21 and 3+3+3 equal 9 which equals 30

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himanshukunwar7 himanshukunwar7
  • 10-02-2015

I got 21. For every 3 there was 7, so put down 3, add 7 and do such untiollyour total value is 30.

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