dkim10506 dkim10506

22-11-2019
Mathematics

contestada

One number is four times another number. The sum of their reciprocals is 1/4 . What are the numbers?

No, the numbers are not 4/5 and 16/5

Respuesta :

Yang100 Yang100

25-11-2019

Answer:

x=2, y=8

Step-by-step explanation:

Set up the equations:

4x=y

1/4x+1/y=1/4

---------------------

1/y+1/y=1/4

2/y=1/4

cross product

y*1=2*4

y=8

4x=8

x=8/4=2

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