30 is your mystery answer :)
Answer:
a)45/125
b)25/125
c)80/125
d)45/125
e)10/35
Step-by-step explanation:
hope it is correct
Answer:
48in
Step-by-step explanation:
4x6=24
× 2
____
48in
Answer:
9 days
Step-by-step explanation:
Given isabella saves a nickel a day.From this day onwards she kept on incresing the savings by doubling them.
Here it form's a geometric progression with first term(a) = 1 and common ratio (r) = 2
S(n) =
Given condition is S(n) >500
n ≥ 9
So it will take 9 days for her savings to be more than 500