Write a systems of equations for each problem define variables used. show all work There

Write a systems of equations for each problem define variables used. show all work There were 166 paid admissions to a game. The price was $2.10 for adults and $ 0.75 each for children the amount taken in was $293.25 how many adults and how many children attended?Problem2 On a table are 20 coins, quarters and dimes. Their value is $3.05 how many of each kind of coin are there?