SOLUTION: the sum of two numbers is 630. one number is 10 less than 7 times the other find the numbers
Algebra.Com
Question 886955: the sum of two numbers is 630. one number is 10 less than 7 times the other find the numbers
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
the sum of two numbers is 630. one number is 10 less than 7 times the other find the numbers
====
Equations:
x + y = 630
x = 7y-10
-------
Substitute for "x" and solve for "y":
7y-10 + y = 630
-----
8y = 640
y = 80
-----
Solve for "x":
x = 7y-10
y = 7*80-10
y = 550
------------------
Cheers,
Stan H.
-------------------
RELATED QUESTIONS
The sum of two numbers is 140. One number is five less than four times the other. Find... (answered by mananth)
the sum of two numbers is 16. one number is 4 less than 3 times the other. find the... (answered by harpazo)
The sum of two numbers is 368. One number is 24 less than 6 times the other. Find the... (answered by jkc52)
The sum of two numbers is 68. One number is 7 less than four times the other. Find the... (answered by Alan3354)
Two numbers have a sum of 106. One number is 10 less than the other. Find the... (answered by josgarithmetic)
The sum of two numbers is 25. Twelve less than four times one of the numbers is 16 more... (answered by drj)
The sum of two numbers is 50. One number is 10 less than three times the other number.... (answered by ben720)
The sum of two numbers is 50 . One number is 10 less than three times the other number. (answered by Fombitz)
The sum of two numbers is 126. One number is 3 less than 2 times the other number. Find... (answered by swincher4391)