Rachel is going on vacation. she is trying to figure out how much money to bring along. she plans to spend $120 on hotels, $45 on gas for her car, and $65 on food. she is also going to go to an amusement park twice. tickets to the amusement park cost $30 per day. if she wants to have 30 left in her wallet after the trip is over, how much money should she bring?

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

Cameron indoor stadium at duke university is one of the most revered sites in all of college basketball, as well as in all of sports period. duke’s men’s and women’s basketball programs have attained quite a few wins in the building over the last seventy years. cameron indoor stadium is capable of seating 9,460 people. for each game, the amount of money that the duke blue devils’ athletic program brings in as revenue is a function of the number of people in attendance. if each ticket costs $45.50, find the domain and range of this function.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827