Write an expression for the calculation divide 10 in half and subtract from 50 divided into fifths

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's