The table shows the battery life of four different mobile phones:Mobile Phone Battery LifePhone Battery Life (hours)A 20B 25C 10D 18If 8.45% of the battery life of each mobile phone is used in a day by a typical user, which mobile phone would use a total of 1.69 hours of battery life in a day?

Answer:A 20Step-by-step explanation:Given Phone Battery Life (hours) A 20 B 25 C 10 D 188.45% of the battery life of each mobile phone is used in a day by a typical userCalculating Hours of battery life in a day for each mobileA 20Battery life for A = [tex]\frac{8.45}{100}\times 20 = 1.69[/tex]hoursB 25Battery life for B = [tex]\frac{8.45}{100}\times 25 = 2.11[/tex]hoursC 10Battery life for C = [tex]\frac{8.45}{100}\times 10 = 0.845[/tex]hoursD 18Battery life for D = [tex]\frac{8.45}{100}\times 18 = 1.52[/tex]hoursTherefor Mobile phone A 20  uses a total of 1.69 hours of battery life in a day