Question

The table shows the battery life of four different mobile phones.

Mobile Phone Battery Life
Phone Battery Life
(hours)
A 20
B 25
C 10
D 18


If 7.75% of the battery life of each mobile phone is used in a day by a typical user, for which mobile phone is 0.775 hour of battery life used in a day?
Phone A
Phone B
Phone C
Phone D

Answer 1

Its Phone C , the other guy took a little too long and it kind of looks complicatd .

Explanation:

Answer 2

7.75% of 20
.0775 (20) = 1.55....its not A

7.75% of 25
.0775(25) = 1.94....not B

7.75% of 10
.0775(10) = 0.775 (BINGO...here it is)

7.75% of 18
.0775(18) = 1.40..not D