NathanFrase3320 NathanFrase3320
  • 29-12-2017
  • Mathematics
contestada

If you take a number and add a zero to the right and subtract the result from 143, you'll get three times the original number. what is the number

Respuesta :

Rod44 Rod44
  • 29-12-2017
Let the number be n.
Adding a zero means multiplying the number by 10, 10n.
143-10n=3n, 13n=143 so n=11.
Answer Link
omotayoadekoya1 omotayoadekoya1
  • 24-12-2019

Answer:

11

Step-by-step explanation:

Let the number be x. If zero is added to the right of the number, this is equivalent to multiplying the number by 10

Hence x0 = 10x

143 - 10x = 3x

collect like terms

3x + 10x = 143

13x = 143

x = 143/13

x = 13

The number is 11.

Answer Link

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