Subject:
EconomyAuthor:
marcelohoweCreated:
1 year agoAnswer:
4.3
Explanation:
0.12x+
2
0.5+x
=
3
x
+1.5
⇒
2
2×0.12x+0.5+x
=
3
x+4.5
⇒3(0.24x+0.5+x)=2(x+4.5)
⇒3.72x+1.5=2x+9
⇒3.72x−2x=9−1.5
⇒1.72x=7.5
⇒x=
1.72
7.50
=4.3
Author:
peteri4p7
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