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on a school trip the ratio of teachers to students is 2:21 the ratio of boys to girls is 4:3 how many boys are there and how many teachers

User Jeff Wilhite
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1 Answer

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12 votes
there are 2 teachers and 12 boys
4x3=12 (boys) 3x3=9 (girls) 9+12=21 (students total) which gives you your 2:21 ratio
User Sgwill
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