HELP, PLEASE!

Christina bought a yoyo from a company that claims that, with each retraction, the string rolls up by 70% of the original length. She sets up a tape measure and throws the yoyo 3 times. Her data are charted below.

Throw Length of string (feet)
1 3
2 2.1
3 1.47

Christina wants to find the sum of the length of string after 10 throws. What is the sum of the lengths, rounded to the nearest hundredth?

Answer choices:
9.99 feet
9.72 feet
3.24 feet
0.12 foot

Question

HELP, PLEASE!

Christina bought a yoyo from a company that claims that, with each retraction, the string rolls up by 70% of the original length. She sets up a tape measure and throws the yoyo 3 times. Her data are charted below.

Throw	Length of string (feet)
1	                   3
2	                  2.1
3	                 1.47

Christina wants to find the sum of the length of string after 10 throws. What is the sum of the lengths, rounded to the nearest hundredth?

Answer choices:
9.99 feet
9.72 feet
3.24 feet
0.12 foot

anonymous · Answer

I think that it could possibly be D?