Can somebody plz help answer these questions correctly! (only if u know it) thanks:DD

Which is the product of 58 and 1,000? a. 0.058 b. 5,800 c. 58,000 d. 580,000

With #! i’ve tried to figure it out but i can’t.

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?