Respuesta :

Answer:

There are infinite pairsof numbers (N, P) that are solution. For example: (20,30), (40, 60), (30,90)


Explanation:

1) Being N a multiple of 5, it can be 5, 10, 15, 20, 25, ....

2) Being P a multiple of 6 it can be 6, 12, 18, 24, 30, ...

3) N / P = 2/3 => 3N = 2P

4) The possible values of N and 2N are:

N     3N
5      6
10    30
15    45
20    60
25    75

And so on.
...
5) The possible values of P and 2P are:

P     2P
6      12
12    24
18    36
24    48
30    60
36    72

6) So, N is 20, and P = 30 is a solution, because 20 is multiple of 5, 30 is multiple of 6, and 20/30 = 2/3.

Is that the only solution?

No, it isnt. Some multiples of 20 and 30 meet all the conditions:

For example, N= 40 is multiple of 5, P = 60 is multiple of 6 and 40 / 60 = 2/3

Other example: N = 60 is multiple of 5, 90 is multople of 6 and 60/90 = 2/3.

This is the sequence of pair N, P that meet the conditions:

N        P
20       30
40       60
60       90
80       120
100     150

And so on.
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