Let,
the numbers be "x" and "y"
According to the question,
x = 4y ......................................................equation (1)

...................................equation (2)
Taking equation (2)

Substituting the value of "x" from equation (1), we get,





Cross multiplying, we get,


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Now,
Taking equation (1)
x = 4y
Substituting the value of "y", we get

So, the numbers are
and
Answer:
I believe its $1.40
Step-by-step explanation:
Answer: 200km
Step-by-step explanation:
200 mm and 200cm are too small.
Answer:
8016
Step-by-step explanation:
28,000 x 0.92^15 = 8016.327314
Answer:
8x + 16y = 39 and
40x + 8y = 42
Step-by-step explanation:
Let the length of the blue tiles is b inches and that of the white tiles is w inches.
So, given that a row of 8 blue tiles and 16 white tiles has a length of 39 inches and a row of 40 blue tiles and 8 white tiles has a length of 42 inches.
Therefore, we can write the system of linear equations that represents the relationship between the length if a blue tile and a white tile in inches as
8x + 16y = 39 and
40x + 8y = 42 (Answer)