Jillian’s school is selling tickets for a play. The tickets cost $10. 50 for adults and $3. 75 for students. The ticket sales for opening night totaled $2071. 50. The equation 10. 50 a plus 3. 75 b equals 2071. 50, where a is the number of adult tickets sold and b is the number of student tickets sold, can be used to find the number of adult and student tickets. If 82 students attended, how may adult tickets were sold?

Mercury poisoning is dangerous overload of mercury within the body. a major source of mercury within the body, a major source of mercury poisoning is consuming fish that contain mercury. certain fish are more prone to having higher levels of mercury than others. the pie chart shows the distribution of four breeds of fish at a hatchery. the hatchery has approximately 6,000 fish. a biologist from the centers for disease control and prevention randomly test 5% of each breed of fish for mercury content. her findings are shown in the following table. based on the biologist's findings, if a single salmon is randomly selected from those that were tested, what is the probability that this particular fish would have a dangerous mercury level? a) 0.001 b) 0.004 c) 0.02 d) 0.08

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?