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Tasya [4]
3 years ago
14

Two friends, 7 miles apart, start walking toward each other, and they meet in an hour. If one boy walks 1 mile farther in an hou

r than the other boy, how fast does each walk?
Mathematics
2 answers:
Alexeev081 [22]3 years ago
7 0

Answer:

The answer is 3 miles and 4 miles.

Xelga [282]3 years ago
3 0
So lets say the distance one boy travels is 'x', you can set up an equation like this:
x + x + 1 = 7
2x +1 = 7
2x = 6
x = 3
So one boy walks 3 miles in one hour, and the other walks 4 miles in one hour.
Therefore, their speeds are 3 miles per hour and 4 miles per hour respectively.

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Answer:

D

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Both lines divide the image into equal halves.
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3 years ago
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Olivia scored 82 points on the first mathematics test of the year. On the second mathematics test, she scored 78 points. What is
Kryger [21]

The percent of change in the number of points she scored between the first and second tests  = 4.878 %

<h3>What is percentage decrease?</h3>

If the data is decreasing,

Decrease = Original Number - New Number.

Then: divide the decrease by the original number and multiply the answer by 100.

% Decrease = Decrease ÷ Original Number × 100.

Given that:

The score of first Math test = 82

The score of second Math test = 78

Changes occurs in marks by=78-82

                                               =-4

So, there is decrease in marks.

We have to find the decrease percentage:

Decrease%= \frac{change \;in \;value}{Original\; value} *100

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                  = 4.878 %

There is 4.88% decrease in Olivia's score.

Learn more about percentage decrease here:

brainly.com/question/10168902

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4 0
2 years ago
11. A boy buys four video games from the store and a frequent Gamer discount card for $10. Later that day, he
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Answer:

Total without the discount $52.50.  Total with the discount $52.

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First, start by adding the 2 dollar discount to the total.  Next remove the ten dollars for the Frequent Gamer card.  This brings the total of the games to $210.  Now all you have to do is divide by 4 and you have your answer.  To get the answer with the discount skip the first step.

4 0
3 years ago
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VikaD [51]

Answer:

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Step-by-step explanation:

71-x-3=71-3-x=68-x

8 0
3 years ago
The perimeter of the triangle is 30 cm.<br>The perimeter of the rectangle is also 30 cm.​
mel-nik [20]

Answer:

The perimeter of the triangle is 30 cm.

The perimeter of the rectangle is also 30 cm.

Step-by-step explanation:

The perimeter of the triangle is 30 cm.

The perimeter of the rectangle is also 30 cm.

7 0
3 years ago
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