Mathematics, 23.07.2020 14:01 allyfurby

On a school trip, the ratio of the teachers to students is 2:21. The ratio boys to girls is 4:3. If there are 18 girls girls on the trip, how many teachers are there?

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On a school trip, the ratio of the teachers to students is 2:21. The ratio boys to girls is 4:3. If...

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