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A+4 -------- < 6.2 2a > 8.4a > 4.8a < 4.8a < 8.4
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13 votes
13 votes
A+4 -------- < 6.2 2a > 8.4a > 4.8a < 4.8a < 8.4

User Licht
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1 Answer

16 votes
16 votes

Given


(a+4)/(2)<6.2

Solution


\begin{gathered} (a+4)/(2)<(6.2)/(1) \\ \\ \text{cross multiply} \\ a+4<2*6.2 \\ a+4<12.4 \\ subtract\text{ 4 from both sides} \\ a+4-4<12.4-4 \\ a<8.4 \end{gathered}

The final answer is


a<8.4

Option D

User Pauly Dee
by
3.1k points
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