 
<translate> Dana tana da fensir 15 fiye da Jayden wanda yake da 20, saboda haka Dana tana da fensir 20 + 15 = 35. Jayden yana da fensir 20 wanda ya ninka na Marcus sau biyu, don haka Marcus yana da fensir 20 / 2 = 10. Dana yana da 35 - 10 = 25 karin fensir fiye da Marcus. Amsar ita ce: 25. <eng> Dana has 15 more pencils than Jayden who has 20, so Dana has 20 + 15 = 35 pencils. Jayden has 20 pencils which is twice as much as Marcus's so Marcus has 20 / 2 = 10 pencils. Dana has 35 - 10 = 25 more pencils than Marcus.
The final answer: 25. 