Respuesta :
90% of 2.5 million is 2.25 million (2.5 x .9 = 2.25)
80% of 2.25 million is 1.8 million (2.25 x .8 = 1.8)
Adele sold 1,800,000 records in 2016
80% of 2.25 million is 1.8 million (2.25 x .8 = 1.8)
Adele sold 1,800,000 records in 2016