maria has a bag of 20 marbles that are white, black, and brown. If there are 10 white marbles, how many marbles are black in order for P (black) to be 1/5

A 12 lb cat is prescribed amoxicillin at 5 mg kg twice a day for 7 Days the oral medication has a concentration of 50 mg ml approximately how many ml's will the cat need per day

10 and two tens, and then double the amount, and 5, 3, and 2. How much now?

There were 80 runners to start a race. In the first half of the race, 1/4 of them dropped out. In the second half of the race, 2/5 of the remaining runners dropped out. How many runners finished the race?

What is the term associated with scores that are at the extreme ends of the distribution?

It takes 75 pounds of seed to completely plant an 8-acre field. How many acres can be planted per pound of seed?

Order from least to greatest: 1/2 3/2 2/5 1/3 (A) 3/2 1/2 2/5 1/3 (B) 3/2 1/2 1/3 2/5 (C) 1/3 2/5 1/2 3/2 (D) 2/5 1/2 1/3 3/2

What percent is 248?

The formula m = 12,000 + 12,000rt 12t gives Keri's monthly loan payment, where r is the annual interest rate and t is the length of the loan, in years. What is Keri's monthly loan payment if she gets a 5% loan for 4 years? $ per month

Mara finished 1/5 assignment on saturday and 3/8 on saturday. what fraction of her assignment did she complete on saturday and sunday

Y + 6.2x = - 13, when x = - 4