Step-by-step explanation:
Claim: There's 14 Goats and 9 Chickens!!
Data:
Working with the Provided Information.
Let the Number of goats be x
let the Number of Chickens be y
x + y = 23..... (i)
Since the goat Possesses Two Pair of Legs... Which is a Total of 4 Legs... We say Let its Contribution be 4x.
The Chicken has Only a Pair Of Legs...Which is a total of 2 legs.... We say let its contribution be 2y
4x + 2y = 74 .....(ii)
BRINGING BOTH EQUATIONS TOGETHER.
x + y = 23
4x + 2y = 74
From Eqn i
x= 23 - y
Substitute into eqn ii
4(23 - y ) + 2y = 74
92 - 4y + 2y = 74
92 - 2y = 74
2y = 92 - 74
2y = 18
y= 9.
Substitute y into any of the eqns to get x
x + y = 23
x + 9=23
x = 23 - 9
x = 14
This simply proves that there are 14 Goats and 9 Chickens!!!.
HAVE A GREAT DAY!
A principal is the amount of money you invested or deposited, so in this case, the principal is $3,000,
(and the net amount of money you earn is the interest, that is $300 in this one.)
m = -9!
Proof:
![6=-\frac{2}{3}m\\\\[Multiply by 3 to cancel the fraction, the result is]\\\\6(3)=-2m\\18=-2m\\\\[Now divide by -2 to get your answer]\\\\m = -9](https://tex.z-dn.net/?f=6%3D-%5Cfrac%7B2%7D%7B3%7Dm%5C%5C%5C%5C%5BMultiply%20by%203%20to%20cancel%20the%20fraction%2C%20the%20result%20is%5D%5C%5C%5C%5C6%283%29%3D-2m%5C%5C18%3D-2m%5C%5C%5C%5C%5BNow%20divide%20by%20-2%20to%20get%20your%20answer%5D%5C%5C%5C%5Cm%20%3D%20-9)
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Answer:
21120 hours long
Step-by-step explanation:
42240=20 miles
42240/2=21120h
