Question

please check my answer. i got C

Answer 1

Whats the question?

Answer 2

how did u get C ?

Answer 3

you need to use infinite geometric series formula right ?

Answer 4

\[a _{n}=a _{1}r ^{n-1}\]

Answer 5

total distance travelled = \[\large \dfrac{a}{1-r}\]

Answer 6

a = 15
r = 4/5

Answer 7

you need to use the sum formula because you need to add up all the terms to get the total distance

Answer 8

ok 75

Answer 9

yep!