Question

A Super Bounce Ball is dropped from a height of 64 ft. With each bounce, the ball reaches a height that is three-fourths the height of the previous bounce. After how many bounces will the ball bounce up to a height less than 9 in.?
a. 3
c. 5
b. 4
d. 6

Answer 1

hold on

Answer 2

So, this is basically a dividing question. so you would start with 64. Divide 1/4 by 64 and you get 48.

Answer 3

Please elaborate !

Answer 4

Ok, so take 64. Type 1/4 into calculator on google and divide by 64. link: https://www.google.com/#q=what+is+1%2F4+of+64

Answer 5

It's 16 !

Answer 6

No multiply that answer by 3. 16 is 1/4 of 64. Do you get it?

Answer 7

Now*

Answer 8

16 x 3 = 48

Answer 9

Alright !
Got it !

Answer 10

You got the idea?

Answer 11

a. 3
c. 5
b. 4
d. 6

Answer 12

Oh shxte !! I'll try doing it now !

Answer 13

Are these really the options ?

Answer 14

yeah

Answer 15

It's 4

Answer 16

64 ft=> 768 inch
1st bounce= 768 x 1/4= 192 inch
2nd bounce= 192 x 1/4= 48 inch
3rd bounce= 48 x 1/4= 12 inch
4th bounce= 12 x 1/4= 3 inch
so each bounce looses 3/4 of it's height !!!!
I hope my explanation was clear !