Aprinter needs 12,000 good copies of a flyer for a particular job. previous experience has shown that she can expect no more than a 5% spoilage rate on this type of job. how many should she print to ensure 12,000 clean copies?

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal