on a farm 2/7 of the hens were black while 40 were white find the total number of hens
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Answer:
Step-by-step explanation:
let the total no. of cows be x then,
total black cows will be 2x/7. now,
2x/7+40=x
(2x+280)/7=x
2x+280=7x
5x=280
x=56
hence , total cows are 56
Answered by
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Answer:
56 think it is good answer
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