A baby panda born at a national zoo weighed ounces at birth and reached pounds at one year of age. What was the panda's growth rate per month? Per week?

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