Adult tickets are $6 and student tickets are $4. How many adult bought tickets if 420 students tickets are sold and the total money collected is $3618

Adult tickets are $6 and student tickets are $4. How many adult bought tickets if 420 students tickets are sold and the total money collected is $3618

the options are A)-1/7 B)-7/9 C)-9 D)-4/3

That's it

Use the distributive property to remove the parentheses. Help?

HELP ME I NEED HELP I DONT GET THIS

i really cant find this one right now and im doing a practice test

I can only get the first two. I can't figure out the rest.