Which of the following ordered pairs represents the solution to the system given below? (4 points)

2x + y = 20
4x − 2y = 40

(10, 0)

(0, 10)

(4, 2)

(10, −10)

Jessa bought a yoyo from a company that claims that, with each retraction, the string rolls up by 60% 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 1.8 3 1.08 jessa 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?