Ian wanted to display some photos of his recent vacation to Surf City Beach. He used seashells he collected at the beach to decorate 7 picture frames. Ian used the same number of seashells to decorate each frame. He used 63 seashells in all. Let s represent how many seashells Ian used to decorate each frame.

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?