 
 <prompt> Hadley zai son yi ayyukan aiki a makaranta na garin. A ranar daya, ta yi ayyukan 100 a kan shelf. Bayan gaisuwa, wani lambar ayyuka ya kammala. Ta kara 40 ayyuka da sauri a kan shelf nan. A rana, 30 ayyuka suka kammala. Idan shelf ta samu 60 ayyuka a ranar safe, me ya sa ya kammala a ranar gaisuwa? <response>: Let x yana da lambobi na littafi da aka dau har zuwa tattalin arba'in da rana.
Don haka har zuwa tattalin arba'in, lambobin littafi da aka dau zai kasance 100-x
Bayan an samu 40 da sauran lambobin, lambobin dukkanin littafai ya zama 100-x+40.
A ranar safe bayan an dauka 30 da sauran lambobin, lambobin dukkanin littafai da aka dau zai kasance 100-x+40-30 = 60
Sannan 110 - x = 60.
Sannan x = 50 littafi

Sauƙi na gaba: 50. 