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zlopas [31]
4 years ago
8

Kudzu is a vine that grows very fast. Ellie measured one Kudzu vine at 18 3/4 feet. One week later, the vine measure 23 7/8 feet

long. How many feet did the vine grow in one week?
A. 4 1/2 feet
B. 4 3/4 feet
C. 4 7/8 feet
D. 5 1/8 feet​
Mathematics
1 answer:
sukhopar [10]4 years ago
5 0
D. 5 1/8 feet

18 3/4 feet is the same as 18 6/8

23 7/8 feet - 186/8 feet s= 5 1/8 feet
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You decide to enter in a rowing competition. To train, you go to the boat house and begin rolling down stream. You row for the s
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Step-by-step explanation:

Let speed of boat in still water be = x\ ms^{-1}

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\textrm{Time spent rowing down stream =Time spent rowing up stream}

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Cross multiplying

2400(x-10)=400(x+10)

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\frac{2400(x-10)}{400}=\frac{400(x+10)}{400}

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Adding 60 to both sides.

6x-60+60=x+10+60

6x=x+70

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\frac{5x}{5}=\frac{70}{5}

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Time spent rowing down stream =\frac{2400}{14+10}=\frac{2400}{24}=100\ s

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