Question

If one number is twice the other and their sum is 15. find the number

Answer 1

Hey! Here is ur answer...

Let the nos. be x & y

A/Q, x = 2y
x + y = 15
2y + y = 15
3y = 15
y = 5
So, x = 10

Hope this helps u...Plz mark it as brainliest... :)

Answer 2

Let numbers be x and y
A/q,
x=2y ---------->(I)
x+y=15 --------->(II)
Now,
Use eq(I) in eq(II),get;
2y+y=15
=>3y=15
=>y=5
Now, put y=5in eq(I),get;
x=10
Hence, x=10 and y=5