Answer:116
Step-by-step explanation:
(90+74+82+90+x)/5=90
x=450-(90+74+82+90)
x=116
Answer:5 minutes
Answer:
$3.60.
If you want to tip 15%, then the total tip amount would be $2.40 plus half of that again ($1.20), which is $3.60.
a = 5
r = -5
n = 9
t_9 = a r^(n - 1)
t_9 = (-1)^n*5 (-5) ^ 8
t_9 = (-1)^9 * 5 * (-5) ^8
t_9 = -1 ( 1953125)
t_9 = - 1953125
d.405
135 x3=405
