Dana and monique are monique's workday is 8 hours. dana and monique each work 40 hours per week. dog groomers. dana's workday is 10 hours and on monday, dana groomed 15 dogs in 10 hours and monique groomed 10 dogs in 8 hours. they each earn $12.75 for each dog groomed. assuming that for the rest of the week dana and monique groom the same number of dogs per workday as they did on monday, what will be the difference between their weekly earnings? show your work

Nthe opening scene of the movie raiders of the lost ark, indiana jones replaces a golden statue with a bag of sand. the platform on which the statue is placed is designed to detect the mass of the statue. if the bag of sand has a different mass than the statue, then a mechanism triggers and destruction ensues. the density of gold is about 20\text{ g/cm}^320 g/cm 3 20, space, g, slash, c, m, start superscript, 3, end superscript. the density of sand can be estimated at 2.5\text{ g/cm}^32.5 g/cm 3 2, point, 5, space, g, slash, c, m, start superscript, 3, end superscript. the gold statue can be modeled as a cylinder with height 25\text{ cm}25 cm25, space, c, m and radius 8\text{ cm}8 cm8, space, c, m. in terms of \piπpi, what is the mass of sand indiana jones needs to avoid triggering the mechanism?