There are 34 pre-k children and 29 kinder garden children on the playground, some boys and some girls. the ratio of boys to girls is 3: 4. how many boys are on the playground?

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?