Tony ran laps around a track to raise money for a hospital. tony raised $15 plus $1.50 per lap that he ran. he raised a total of $255. let x represent the number of laps tony ran. what expression completes the equation to determine the total number of laps tony ran? how many laps did tony run?

15 + 1.5x = 255

and 160 laps

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