the sum of three number is 19 if if the ratio of the first to the second is 2 :3 and that of the second to the third is 5:
8 then find the three numbers
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Answer:
x+y+z=19
x:y=2:3
y:z=5:8
2m+3m=19-z
5m=19-z......i
5m+8m=19-x
13m=19-x....ii
13 M - 5 M is equal to 19 - x minus bracket 19 minus Z
8 m is equal to 19 -19 minus x + Z
8m=z-x
z=8m+x
substituting in equation 1
5m=19-(8m+x)
5m=19-8m-x
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