svalencia61 svalencia61
  • 26-07-2014
  • Mathematics
Answered

The sum of two numbers is 40, and their difference is 8. Find the numbers.



Answer :

konrad509
konrad509 konrad509
  • 26-07-2014
[tex]x+y=40\\ x-y=8\\ -----\\ 2x=48\\ x=24\\\\ 24+y=40\\ y=16[/tex]
Answer Link
6417
6417 6417
  • 26-07-2014
   a - b = 8
+ a + b = 40   
   2a = 48
     a = 24

a - b = 8
24 - b = 8
b = 16
Answer Link

Other Questions

If one strand of DNA is CAGGTTACG, the opposite strand is a. GTCCAATGC. b. GTCCTTAGC. c. CAGGTTACG. d. GTCCTTACG.
A bag contains 10 pounds of dog food. A family feeds their dogs 0.85 pound of dog food a day. How much dog food is left in the bag after 7 days? Give your answe
The sales tax on a $750 computer at J & M Computers is $48.75. What is the sales tax rate?
what is it about the  movable pulley that causes the difference in force?
order from least to greatest 1/8, 7/8, 4/8
Why does the cell need to carry out transcription before it can begin translation
why is 1/6 greater than 1/8 but less than 1/3??
Solve for m, c, and d. 3m + 4c +7d = 5.45
What are two story elements in the book frindle
soon after Abraham Lincoln made a request for troops, what did the states of the upper south-Virginia, north Carolina, and Tennessee join?