A child is flying a kite and has let out all 80 feet of the kite’s string. The kite is 35 feet above a stop sign. How far is the child from the stop sign? Round your answer to the nearest tenths place.

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of