The ratio of boys to girls in a class is 7:5. There are 36 students in the class. How many students are girls?

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

Which number line correctly shows 0.8 + 0.3?