Aaron writes the word " probability " on cards, one letter per card, and places the cards in a bag. He draws one card without lo
1 answer:
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Answer: 0.7
Step-by-step explanation:
Let the number of white cows be x
Thus, the number of brown cows be (x+12)
Hence,
x+(x+12)=60
x+x+12=60
2x+12=60
2x+12-12=60-12
2x=48
Divide both parts of the equation by 2:
x=24 white cows
x+12=36 brown cows
The number of white cows are less than one year old:
The number of brown cows are less than one year old:
The total number of cows are less than one year old:
Thus
Fraction of all the cows are less than one year old: