Register

The sum of twice a first number and 4 times the second number is 20. The first number is 3 times the second. Find the numbers

The sum of twice a first number and 4 times the second number is 20. The first number is 3 times the second. Find the numbers
asked 116k views
4 votes
The sum of twice a first number and 4 times the second number is 20. The first number is 3 times the second. Find the numbers

The sum of twice a first number and 4 times the second number is 20. The first number-example-1
asked
User Redithion
by
8.9k points

1 Answer

4 votes
Let the first and second numbers be x and y respectively.

Then,
2x+4y = 20
x=3y

Substituting for x,

2(3y)+4y=20 => 6y+4y =20 =>10y=20 =>y =20/10 = 2
And therefore, x=3y = 3*2 = 6

Therefore,
First number = 6 and second number =2
answered
User Grzegorz Smulko
by
7.8k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!