The number of miles on car a is 50 more miles than the number of miles on car b and the number of miles on car b is 30 more miles more than the number of miles on car c all the cars travel 50 miles in 1 hour after 1 hour twice the number of miles no car a is 70 miles les than 3 times the number of miles of miles on car c how many miles were there on car b initially

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step-by-step explanation:

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