What is 30% as a fraction in simplest form and as a decimal to the nearest hundredtgh

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?

What’s the answer ? use the picture to see the problem

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5