idoyle276 idoyle276
  • 24-08-2020
  • Mathematics
contestada

The sum of two numbers is 21.
The second number is six times the first number. Work out the two numbers

Respuesta :

nancyosuji78 nancyosuji78
  • 24-08-2020

Answer:

3 and 18

Step-by-step explanation:

let x be the first number

let 6x be the second number

x + 6x = 21

7x=21

x=21/7

x=3

second number =6x

second number 6x3= 21

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