Ablueprint shows a layout of a building. every 3 inches in the blueprint represents 5 feet of the actual building. one of the walls on the blueprint is 21 inches long. what is the length of the actual wall?
a) 35 inches
b) 21 feet
c) 35 feet
d) 50 feet

idn

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