hannahghettie hannahghettie

02-12-2014
Mathematics

contestada

forty percent of 25 students in the class are boys. write 40% as a reduced fraction. then find the ratio of girls to boys in the class.

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craigc456 craigc456

02-12-2014

25/10x4=10 boys

100%-40%=60%

25/10x6= 15

boys:girls
10:15

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02-12-2014

[tex]40\%\cdot25=\\\\0.4\cdot25=10-number\ of\ boys\\\\25-10=15-number\ of\ girls\\\\15:10\ \ -->3:2\ -ratio[/tex]

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