Question

Finn bought a yoyo from a company that claims that, with each retraction, the string rolls up by 80% of the original length. He sets up a tape measure and throws the yoyo 3 times. His data are charted below.


Throw Length of string (feet)
1 3
2 2.4
3 1.92


Finn 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?
13.39 feet
15.00 feet
4.46 feet
0.40 foot

Answer 1

Find out much the length is increased by everytime to get the rest all the way up to 10. Once you do that, add them up and round up to the nearest hundreth as has been stated above.

Answer 2

Is it 15 ft?

Answer 3

@Marcorie

Answer 4

thats what i got

Answer 5

ok thank you!