The admission fee at a small fair is $1.50 for children and $4.00 for adults. on the first day of the fair, there were 2200 people in attendance and $5050 was collected in admission fees. how many children and how many adults attended the fair on the first day?

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?