Jackson receives 40% discount on a concert that costs $75. if jackson pays $4.20 in sales tax on the discounted ticket, what is the sales tax rate? (round to the nearest tenth of a percent)

I'm terrible at math any here is appreciated.

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students