How many ml of both 0.2% and 2% stock products must be mixed if preparing one ounce of a 1% product?

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

Over the last 4 seconds, a snail has traveled 4/9 of an inch. if the snail traveled the same distance each second, how far did it travel each second?