54/(7+2) = 6
Multiply the 7 and 2 by 6.
Directions: write and solve an algebraic equation or inequality for each problem.
1. Mabel has a total of 54 beads. Some are black and some are white. The ratio of the number of black beads to the number of white beads is 7:2. How many more black beads than white beads are there?
1 answer