Tolong jawab kak!!

<p>Diketahui : P1 = 600.000 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Q1 = 400 unit&nbsp;</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;P2 = 800.000 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Q2 = 200 unit&nbsp;</p><p><strong>Rumus : P - P1 / P2 - P1 &nbsp;= &nbsp; Q - Q1 / Q2 - Q1</strong>&nbsp;</p><p>&nbsp;P - 600.000 / 800.000 - 600.000 &nbsp; = &nbsp; Q - 400 / 200 - 400</p><p>&nbsp;P - 600.000 / 200.000 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; = &nbsp; Q - 400 / -200</p><p>200.000Q - 80.000.000 &nbsp;= &nbsp;-200P + 120.000.000</p><p>200.000Q = &nbsp;-200P + 120.000.000 + 80.000.000</p><p>200.000Q = &nbsp;-200P + 200.000.000</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Q = &nbsp;-200P + 200.000.000 / 200.000</p><p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Q = &nbsp;-0,001P + 1000</p><p>Nilainya sama aja tinggal di balik Q = 1000 - 0,001P</p>