At a local fair, the admission fees are $1.50 for children, $3 for college students, and $5 for adults, On Saturday, 1300 tickets were sold and brought in $3800,
The number of college student tickets sold were 100 less than the number of adults tickets sold,
How many children's tickets were sold?

How do i do this activity, is appreciated

Solve with work adding cheese to a mcdonalds quarter pounder increases the fat content from 21g to 30g. what is the percent of change ?

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.