Willson has 320 7th grade students, and its ratio of boys and girls is 1:1.Salem has 330 seventh grade students and its ratio to boys to girls is 5:6 the two towns hold a carnival and all seventh grade students from both towns attend how many seventh grade students at the carnival were girls?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day