A right rectangular prism has a length of 2 1⁄2 feet, a width of 3 feet, and a height of 1 1⁄2 feet. Unit cubes with side lengths of 1⁄2 foot are added to completely fill the prism with no space remaining. A. What is the volume, in cubic feet, of the right rectangular prism? B. How many 1⁄2 -foot unit cubes can be added to fill the prism completely?

x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

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