Nikki241 Nikki241

10-11-2015
Mathematics

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In a school gym, the ratio of the number of boys to the number of girls was 4:3. After 160 boys left the gym, the ratio became 4:5. How many girls were there in the gym?

Respuesta :

ibetila ibetila

10-11-2015

laki laki 4
wanita 3
4+3=7
untuk laki laki=
4/7×160=640/7
untuk wanita=
3/7×160=480/7

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