A ball is bouncing on the floor. After each bounce, the height of the ball is one-half its previous height. After the fifth bounce, the height of the ball is 6 in. What was the height of the ball before the first bounce?
a.18ft
b.13ft
c.12ft
d.16ft

Question

A ball is bouncing on the floor. After each bounce, the height of the ball is one-half its previous height. After the fifth bounce, the height of the ball is 6 in. What was the height of the ball before the first bounce?
a.18ft
b.13ft
c.12ft
d.16ft

tamtoan · Answer

go backward, if the fifth bounce is 6 inches, what is the 4th bounce ? then after you get the value for the 4th bounce, what's the third bounce ? ..and so on..to get your answer.

anonymous · Answer

@tamtoan would the answer be 16?

tamtoan · Answer

yes

anonymous · Answer

thank you @tamtoan

tamtoan · Answer

np, enjoy and have a good weekend :)