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- 1 decade agoFavorite Answer
This is a proportion so cross-multiply:
1.9*[0.14 - x] = 1.35*[0.16 - x]
0.266 - 1.9x = 0.216 - 1.35x
Move the x's to one side and the numbers to the other
0.05 = 0.55x
Divide both sides by .55
x = 0.05/0.55 = 1/11
- 1 decade ago
multiply 1.9 and (0.14-x) on the left side and
1.35 and (0.16-x) on the right side
1) 1.9(0.14-x)=1.35(0.16-x)
2) after you multiply you'll get
0.05=0.55x
x=0.09
- Anonymous1 decade ago
x(1/1.9 - 1/1.35) = 0.16 - 0.14
x = (0.16-0.14)/(1/1.9 - 1/1.35)
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