PLEASE HELP GIVING BRAINLIEST, FIVE STARS AND THANKS! ONLY TWO QUESTIONS, THAT WHY IM GIVING MORE POINTSSSSSSS! PLSSSSSS HELP :D!


Mabel has a total of 54 decorative beads. Some are black and some are white. The ratio of the number of black beads to a number of white beads is 7:2. How many more black beads than white beads are there?