Question

Last summer, at Camp Okey-Fun-Okey, the radio of the number of boy campers to the number of girl campers was 8:7. If there were a total of 195 campers, how many boy campers were there? How many girl campers?

Answer 1

`Ratio\ of\ the\ number\ of\ boy\ to\ number\ of\ girls:\\ 8:7\\\\ All\ campers:\ 195\\\\ Number\ of\ boys:\\ 8x\\ Number\ of\ girls\ :\\ 7x\\\\ 8x+7x=195\\ 15x=195\ \ \ |:15\\ x=13\\\\ Boys:\ \ 8x=8*13=104\\ Girls:\ \ 7x=7*13=91\\\\ Number\ of\ boys\ is\ 104\ and\ girls\ 91.`