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3 years ago

Can someone help me with this I don’t understand

Mathematics

2 answers:

solniwko [45]3 years ago

8 0

Answer:

the fastest is 12 meters every 4 seconds

slowest is 8 meters every 6 seconds

Step-by-step explanation:

Arada [10]3 years ago

5 0

Answer:

For #1 (Slowest) it's 6 meters every 10 seconds

For #2 (Fastest) it's 12 meters every 4 seconds

Step-by-step explanation:

Allow me to explain,

I am going to divide to find my answers

6 meters every 10 seconds

6 ÷ 10 = 0.6

8 meters every 6 seconds

8 ÷ 6 = 1.3

12 meters every 4 seconds

12 ÷ 4 = 3

4 meters every 2 seconds

4 ÷ 2 = 2

Therefore, Our order from fastest to slowest goes:

12 meters every 4 seconds
4 meters every 2 seconds
8 meters every 6 seconds
6 meters every 10 seconds

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3 years ago

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3 years ago

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3 years ago

Read 2 more answers

A farmer had twice as many chickens as ducks on his farm. After he sold 166 chickens and ducks, he had half as many chickens as

mamaluj [8]

Answer:

The farmer have at first 202 chickens.

Step-by-step explanation:

Given:

A farmer had twice as many chickens as ducks on his farm. After he sold 166 chickens and ducks, he had half as many chickens as ducks left.

Now, to find the chickens farmer have at first.

Let the chickens be $x.$

And, the ducks be $y.$

As, the farmer had twice as many chickens as ducks on his farm.

So, $x=2y$ ......(1)

As, given the farmer after selling 166 chickens and ducks, he had half as many chickens as ducks left.

According to question:

$x-166=(y-29)\times \frac{1}{2}$

$x-166=\frac{y-29}{2}$

Substituting the value of $x$ from equation (1) we get:

$2y-166=\frac{y-29}{2}$

By cross multiplying we get:

$4y-332=y-29$

Adding both sides 332 we get:

$4y=y+303$

Subtracting both sides by $y$ we get:

$3y=303$

Dividing both sides by 3 we get:

$y=101.$

Now, to get the number of chickens substituting the value of $y$ in equation (1):

$x=2y\\\\x=2\times 101\\\\x=202.$

Therefore, the farmer have at first 202 chickens.

7 0

3 years ago