Fernando purchased c candy bars at a movie theater Candy bars cost $3 each. Fernando spent a total of $18 for candy bars Which equation could be used to determine how many candy bars
Fernando purchased?
A 18 = 3
B 18C=3
C 18+ = 3
D 18 c = 3

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

$54.99

step-by-step explanation:

$54.99 includes 500 min. if she does not exceed 500 min then her bill is $54.99