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The sum of 2 numbers is 180. One number is 40 more than 3x the other Find the numbers?
Wiki User
∙ 13y ago
The two numbers are 125 and 55
You can make 2 equations
1) x + y = 180
2) x+ 40 =3y
If you rearrange equation 2 you get x=3y-40
You can now put this in for x in equation 1
(3y-40) +y = 180
3y + y = 180 + 40
4y = 220
y=55
If you plug this in for y in equation 1 you get
X + 55 = 180
x= 125
Check with equation 2
x+ 40 =3y
125+40=3x55
165=165
Therefore the two numbers are 125 and 55
Wiki User
∙ 13y ago
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