Write an expression calculation the sum of the 4 and 3 and 1 and 1

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?

Adriveway is 40 yards long about how many meters long is it

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5