Lily can prepare 24 paper boxes in three weeks. How much time will she take to prepare 120 boxes

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)