Register
Given these equations x+y=9.0 0.50x+0.20y=4.05 What are the values of x and y
126k views
2 votes
Given these equations x+y=9.0

0.50x+0.20y=4.05
What are the values of x and y

User ElenaT
by
8.3k points

1 Answer

4 votes
X= 9.0 -y
=> 0.5(9-Y) +0.2Y=4.05
=> 4.5-0.5Y+0.2Y=4.05
=> 0.45=0.3Y
=> Y= 1.5, X=7.5
User Nicholas Muir
by
8.1k points
← Prev Question Next Question →

Related questions

User Nekeisha
asked Feb 21, 2016 49.7k views
Given these equations: x+y=9.0 0.50x+0.20y=3.15 Find the values of x and y.
Nekeisha asked Feb 21, 2016
by Nekeisha
8.1k points
1 answer
0 votes
49.7k views
User Jserras
asked Jul 25, 2017 25.6k views
Given these equations x+y=9.0 0.50x+0.20y=4.05
Jserras asked Jul 25, 2017
by Jserras
8.6k points
2 answers
4 votes
25.6k views
User Rahul Shalgar
asked Aug 26, 2018 20.4k views
Find the values of x and y 0.50x+0.20y=3.90
Rahul Shalgar asked Aug 26, 2018
by Rahul Shalgar
7.9k points
2 answers
5 votes
20.4k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
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?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!