A jazz group on tour has been drawing average crowds of 400 people. It is projected that for every $1 increase in the $18 ticket price, the average attendance will decrease by 50 . At what ticket price will nightly receipts be $3,450 ? $x [-12 Points] GHCOLALG12 1.5.034. Scott and Laura have both invested some money. Scott invested $2,000 more than Laura and at a 2% higher interest rate. If Scott received $900 annual interest and Laura received $550, how much did 5 cott invest? (There are two possibilities for how much Scott invested.) $$(smallervalue)(largervalue) [0/1 Points] GHCOLALG12 1.5.040. Working together, Sarah and Heidi can clean the garage in 6 hours. If they work alone, it takes Heidi 9 hours longer than it takes Sarah. How long would it take Heidi to clean the garage alone? * hr