Rob has -180 points in a game. He gains one-fourth of his points back on his next turn and gains back an additional one-fifth of his remaining points on his second turn. What is Rob's score at the end of the two turns?

I don't understand. Ive tried everything... I'm not about to vent on but- yeah. Please help and show how you did it, will mark brainliest

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.