Question

***I WILL GIVE A MEDAL AND ALSO BECOME A FAN***
- I JUST NEED HELP WITH THIS PROBLEM

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

@mathstudent55

Answer 2

@dan815

Answer 3

@zepdrix @ganeshie8

Answer 4

@paki

Answer 5

@TheSmartOne

Answer 6

@sammixboo

Answer 7

I'm guessing this is how you solve it:
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 8

so 15.00?

Answer 9

I cannot tell you exactly for sure because I've not worked it out myself.

Answer 10

can you try real quick i just need this then i pass the test

Answer 11

Oh? A Test? You do know we are not allowed to help on tests. Since I can see you are new to this site. I'll help out. Just for further reference, we're not allowed to help on ANY tests, and quizzes.

Answer 12

well not a test its a worksheet

Answer 13

just need to get it finished

Answer 14

@yomamabf

Answer 15

@YanaSidlinskiy