SOLUTION: Four numbers add up to 90. The second number is twice the first number, the third number is twice the second number, and the fourth number is 10 more than the first number. What ar
Algebra.Com
Question 880370: Four numbers add up to 90. The second number is twice the first number, the third number is twice the second number, and the fourth number is 10 more than the first number. What are the four numbers
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Four numbers add up to 90. The second number is twice the first number, the third number is twice the second number, and the fourth number is 10 more than the first number. What are the four numbers
***
let x=1st number
2x=2nd number
4x=3rd number
x+10=4th number
..
x+2x+4x+x+10=90
8x=80
x=10
2x=20
4x=40
x+10=20
..
1st number=10
2nd number=20
3rd number=40
4th number=20
RELATED QUESTIONS
four numbers add up to 95. The second number is twice the first number, the third number... (answered by josmiceli)
four numbers add up to 95. The second number is twice the first number, the third number... (answered by dkppathak)
Four numbers add up to 95. The second number is twice the first number, the third number... (answered by Edwin McCravy)
four consecutive numbers add up to 95 the second number is twice the first number the... (answered by rfer)
there are 3 numbers that add up to 90, the second number is twice as much as the first... (answered by Edwin McCravy)
Three numbers add up t0 140. The second number is twice the first, and the third number... (answered by JBarnum)
Three numbers add up to 60.The first number is 1/3 of the second number. The third... (answered by ankor@dixie-net.com)
three number add up to 180 . the second number is twice the first,and the third is three... (answered by ewatrrr)
The average of 3 numbers is 154. The first number is twice the second and the second... (answered by stanbon)