moray06 moray06

03-02-2017
Mathematics

contestada

fairveiw has 330 seventh grade students, and is ratio of boys to girls is 6:5. salem has 360 seventh grade students, and its ratio boys to girls is 4:5. the two towns hold a carnival, and all seventh grade students from both towns attend. how many seventh grade students at the carnival are boys?

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apologiabiology apologiabiology

03-02-2017

fiarview
6:5=11
330=11 units
divide by 11
30=1 unit
boys=6 unit
30 times 6=180 boys in fiarview

salem
4:5=9
360=9 units
divide by 9
40=1unit
boy=4 unit
40 times 4=160

add total boys
180+160=340 boys

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