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vladimir1956 [14]
4 years ago
6

Jones and Brown start from two points, which are 375 miles apart and travel toward each other. The latter travels twice as fast

as the former. They meet in 5 hours. Find the rates per hour.
I put it in the boxes like my teacher did but I am not sure I am doing it correctly. I came up with Jones =25mph
Brown = 50 mph
Mathematics
1 answer:
alukav5142 [94]4 years ago
4 0
Let x be the rate per hour for Brown;
Then 2x is the rate per hour for Jones;
We have the equation: 375 = 5 * ( 2x ) + 5 * x ;
=> 375 = 10x + 5x;
=> 375 = 15x;
=> x = 375 ÷15;
=> x = 25mph ;
=> 2x = 50mph.
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Step-by-step explanation:

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7 0
3 years ago
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7 0
3 years ago
A rectangle is divided into equal squares. One row covers 1/8 of the whole rectangle. There are 3 squares in each row. How many
LenaWriter [7]

Answer:

There are 24 squares in the entire rectangle

Step-by-step explanation:

Trom the problem, we are given that one row covers 1/8 of the entire rectangle.

We are also told that this one row, contains three squares.

In other words, what this means is that three squares cover 1/8 of the entire rectangle.

The question is now if three squares cover only 1/8 of the rectangle, how many squares cover the whole rectangle.

In fraction, we can represent a whole using 1/1

We can set up a simple relation to this effect.

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cross multiplying, we have

x = 3 ÷(1/8) = 24

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7 0
3 years ago
Mr. Gallegos made a batch of muffins. He gave 11/21 of the batch to his neghbors and ate 1/8 of the batch himself. Which is the
Sergeeva-Olga [200]

Answer:

The answer to your question is There were 59/168 muffins left.

Step-by-step explanation:

Data

Initial amount of muffins = 1

Amount of muffins given to his neighbors = 11/21

Amount of muffins eaten = 1/8

Amount of muffins left = ?

Process

1.- Subtract the amount of muffins given to the neighbors and the amount of muffins eaten to the initial amount of muffins.

             1 - 11/21 - 1/8 =

-Look for the greatest common factor

                    21   8    2

                    21   4    2

                    21   2    2

                    21    1    3

                      7         7

                      1

   GCF = 2 x 2 x 2 x 3 x 7

           = 168

-Solve the arithmetical operation

              1 - 11/21 - 1/8 = (168 - 88 - 21) / 168

                                   = 59/168

-Conclusion

There were 59/168 muffins left.

7 0
3 years ago
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elena55 [62]
8 hot dog buns per package
number of packages is 30

therefore number of hot dog buns = 30 x 8 = 240

hope this helps :P
5 0
3 years ago
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