10 Publishing Myths: Insights Every Author Needs to Succeed

10 Publishing Myths: Insights Every Author Needs to Succeed

Matematika tolong pakai caranya ya, makasih :)​

tolong pakai caranya ya, makasih :)​

jawaban : B. rugi 45.000

satu lusin = 12 biji

3 lusin = 12 biji × 3 lusin

= 36 biji

pena dijual seharga 5,000/biji

Rp5,000 × 36 biji = Rp 180,000

harga beli - harga jual =

Rp 135,000 - Rp 180,000 = Rp 45,000

jadi pak jaka mendapatkam untung sebesar Rp 45,000