Mr. thomas brings $100 to a fundraiser. he wants to leave the event with at least $50 in hispocket. guests at the fundraiser buy raffle tickets for several different prizes. each raffleticket costs $2.50. how many raffle tickets can mr. thomas buy and still leave with at least$50 in his pocket? _.-use math you already know to solve the problem. a. how much money does mr. thomas have at the start of the fundraiser? b. let t = the number of tickets bought. write an expression to show how much it costs tobuy t tickets. c. use the expression above to write a different expression that shows how much moneymr. thomas would have left after buying t tickets. d. suppose mr. thomas buys 25 tickets. how much money would he have left? is this at least$50? show your worke. suppose mr. thomas buys 20 tickets. how much money would he have left? is this atleast $50?