In a group of 20 students, 50% have blue eyes and 40% have brown eyes. How many students have brown eyes? * Your answer

8

Step-by-step explanation:

50% of students have blue eyes, so that is 10

40% of students have brown eyes, so that is 8

the rest 10% is another color, which is 2

10+8+2=20

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