There were three measuring cups: A, B and C. Tuan poured water into 3 cups in the ratio of 9 : 7 : 16. Then he transfered 25% of the water from cup C to cup A. After that, he continued to transfer 25% of the remaining water from cup C to cup B. If there was 90 ml more water in cup A than cup B at the end, how much water was there in 3 cups in total? Show your work.​

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?