Andreina has a glass tank. First, he wants to put in some marbles, each of which has a volume of 0.04 liters. Then he wants to fill the tank with water until it’s completely full. If he uses 50 marbles, he will have to add 33 liters of water. Andrei has exactly 20 liters of water. How many marbles does he need so the tank is full.

What is 96 divided by 7,488mark as brainliest

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?