The sum of three numbers is 20. The second number is 4
times the first number , and the sum of the first and third
is8. Find the numbers.

Answer Posted / mariaalex007

The nos are 2,8,5......
solution...
x+4y+z=20;
but.. x+z=8;
so..4y+8=20;
so..y+2=10;
so..
y=8;

Is This Answer Correct ?    1 Yes 9 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Write a function that takes as input a binary tree, and prints out each level of the tree on a newline. For example: a / b c / / d e f will output: a b c d e f

1325


How do you set a global variable inside a function?

456


Write a function that takes an array of integers and efficiently calculates and returns the Least Common Multiply in python.

1236


Discuss an algorithm to traverse a tree, depth first.

1223


Write a program to find sum of the digits of a number in python?

492






Write a python program to check if a number is a strong number?

445


Write a python program to check if a number is an armstrong number?

467


Write a python program to count the number of digits in a number?

501


Given a circular list of integers (when you reach the end of the list you come back to the beginning), what is the most efficient algorithm to find the smallest integer in the list? For example: circular_list = [22, 52, 66, 82, 5, 8, 12, 19].

1380


Write a python program to check if a number is a palindrome or not?

452


Write a function to efficiently convert a floating point number to a rational number. For example, given 0.125 return "1/8"

1177


Write a function that takes an unsorted integer array, and returns a three element subset whose sum is zero.

1244


Can you write a program to find the average of numbers in a list in python?

472


Write a python program to check common letters in two input strings?

485


Write a program to reverse a number in python?

463