According to the manual, a battery in a cellular phone loses 2% of its charge each day. Assume the battery is 100% charged.

a) Write an equation to represent the percent charge, P, as a function of the number of days, d, since the battery was charged.

b) Determine the number of days until the battery in only 50% charged.

Question

According to the manual, a battery in a cellular phone loses 2% of its charge each day. Assume the battery is 100% charged.

a) Write an equation to represent the percent charge, P, as a function of the number of days, d, since the battery was charged.

b) Determine the number of days until the battery in only 50% charged.

amistre64 · Answer

my phone goes dead after 2 days ....

anonymous · Answer

plzz help