100 Things BYU Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

100 Things BYU Fans Should Know & Do Before They Die (100 Things...Fans Should Know)

Ekonomi tolong dibantu dong, senin dikumpulin ​

tolong dibantu dong, senin dikumpulin ​

Diketahui :

  • P1 = 5.000 dan Q1 = 100
  • P2 = 4.000 dan Q2 = 150

  • P1 = 10.000 dan Q1 = 100
  • P2 = 15.000 dan Q2 = 200

Ditanya :

  • Fungsi Permintaan (Pd)
  • Fungsi Penawaran (Ps)
  • Harga dan Jumlah Keseimbangan (E)
  • Kurva

Penyelesaian :

• Fungsi Permintaan

[tex] \frac{p - p1}{p2 - p1} = \frac{q - q1}{q2 - q1} \\ \frac{p - 5.000}{4.000 - 5.000} = \frac{q - 100}{150 - 100} \\ \frac{p - 5.000}{ - 1.000} = \frac{q - 100}{50} \\ 50p - 250.000 = - 1.000q + 100.000 \\ 50p = 250.000 + 100.000 - 1.000q \\ 50p = 350.000 - 1.000q \\ p = \frac{350.000 - 1.000q}{50} \\ p = 7.000 - 20q[/tex]

• Fungsi Penawaran

[tex]\frac{p - p1}{p2 - p1} = \frac{q - q1}{q2 - q1} \\ \frac{p - 10.000}{15.000 - 10.000} = \frac{q - 100}{200 - 100} \\ \frac{p - 1.000}{5.000} = \frac{q - 100}{100} \\ 100p - 100.000 = 5.000q - 500.000 \\ 100p = 100.000 -500.000 + 5.000q \\ 100p = - 400.000 + 5.000q \\ p = \frac{ - 400.000 + 5.000q}{100} \\ p = - 4.000 + 50q[/tex]

• Harga dan Jumlah Keseimbangan

Pd = Ps

7.000 - 20Q = -4.000 + 50Q

-20Q - 50Q = -7.000 - 4.000

-70Q = -11.000

[tex]q = \frac{ - 11.000}{ - 70} [/tex]

Q = 157,1

P = 7.000 - 20Q

P = 7.000 - 20(157,1)

P = 7.000 - 3.142

P = 3.858

• Kurva

Kesimpulan :

Fungsi Permintaan Pd = 7.000 - 20Q

Fungsi Penawaran Ps = -4.000 + 50Q

Harga Keseimbangan = 3.858

Jumlah Keseimbangan = 157,1

Kurva = Terlampir

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