There are 40 girls in the class. the ratio of girls to boys is 2 to 5. how many boys are in the club?

What is the value of x in the equation 6(x + 1) – 5x = 8 + 2(x – 1)?

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Is it greater than or less than7*3_9*2