4 1 + 4 5 ) 2 + 4 3 =left parenthesis, start fraction, 1, divided by, 4, end fraction, plus, start fraction, 5, divided by, 4, end fraction, right parenthesis, squared, plus, start fraction, 3, divided by, 4, end fraction, equals

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?