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

Relax

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

Answer Link

Otras preguntas

How many gallons of a 50% antifreeze solution must be mixed with 60 gallons of 15% antifreeze to get a mixture that is 40% antifreeze?
urgent math help needed plzzzzzzzzz
I need help with this question
How did the French Revolution begin?
What the answer for question b
Find the product. (−4)(−9)(−2) plz help!!!!!!!!!!
Find the equation perpendicular to the line y=−3x+5 that passes through point (2, 6). Please answer quickly. Will give 70 points
Which choice gives a valid first step to solve 2(w – 3) = 5? Exclude any choice where the explanation for the step is false. A. Divide each side by 2. You can
Plot -12,7 and -9 on the number line
Confused on this, help