<span>just sub in 7 for the variable n
r(7) = 0.009(7)
= 0.063</span>
Answer: 25
Step-by-step explanation:
Answer:
192 students are at the school
Step-by-step explanation:
120 / 5 = 24
24 x 3 = 72
72 + 120 = 192
Answer:
Fri. $10
Sat. $40
Sun. $20
Step-by-step explanation:
earnings on Saturday=x
Sunday is .5*x, which is 1/2 of Saturday
Friday is .25*x, which is 1/2 of Sunday
x+.5x+.25x=70
(simplify)1.75x=70
Divide by 1.75 1.75x/1.75=70/1.75
X=40
then plug in x for all days
It lies first line have a nice day
