3 years ago

a farm had 35 cows if the ratio of cows to horses was 7:3 what is the combined amount of cows and horses?

1 answer:

3 0

$7x- Number\ of\ cows\\\\
3x-\ Number\ of\ horses\\\\
7x=35\ \ \ |:7\\\\
x=5\\\\
7x+3x=7*5+3*5=35+15=50\\\\
Combined\ amount\ of\ cows\ and\ horses\ is\ equal\ to\ 50.$

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