Ms. Reynold's sprinkler system has 4 stations that water all parts of her front and back lawn. Each station runs for an equal amount of time. If it takes 39 minutes for the first 3 stations to water, how long does it
take to water all parts of her lawn?
It will take
minutes for Ms. Reynold to water her lawn.

Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.