 
<translate> Jill tana da gwaji mai wuya da za ta yi nazari a kai. Ta yanke shawarar yin karatu wata rana na awa 2. Washegari ta ninka wannan adadin, washegari kuma ta rage nazari da sa'a guda. Minti nawa ne Jill ta yi nazari a cikin kwanaki 3? Wani tunani? Dalili na mataki zuwa mataki: <eng> Jill has a difficult test to study for. She decides to study one day for 2 hours. The next day she doubles this amount, and the day after that she studies one hour less than the previous day. How many minutes does Jill study over the 3 days?
Thoughts? Step-by-step reasoning: 