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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
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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 Jabbson
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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 Ashutosh Singh
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