Jake and Tyler decide to spend the afternoon at the fair enjoying their favorite activities, the roller coaster and the bungee jump. Jake went on the roller coaster 3 times and the bungee jump 3 times and spent a total of \$17.70.^ - Tyler went on the roller coaster 4 times, but only did the bungee jump once. He spent a total of $ 17.15. How much does it cost to ride the roller coaster? How much does it cost to do the bungee jump? 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?