david9938 david9938
  • 25-09-2018
  • Mathematics
contestada

can someone help with this

can someone help with this class=

Respuesta :

Nizux
Nizux Nizux
  • 25-09-2018

Answer: 20 = 5 × n ; n = 4

How do we know?

If the blue jar has 20 marbles, and the blue jar has 5 times as many as the red jar, and n is how many marbles are in the red jar then we can use this equation:

n × 5 = 20

So for the first portion of your question the answer would be: 20 = 5 × n

Now we have to solve for n:

20/5 = n

4 = n

So the answer to your second part would be: n = 4

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