NEED HELP ASAP WILL GIVE BRAINLIEST
(DO NOT JUST TAKE POINTS OR I WILL REPORT YOU!!)

Matt owes his sister $300. He mows lawn’s after school and on the weekends. He charges $30 a lawn, but pays his friend Steven $10 to help. Matt plans to repair his sister with half of what he earns on each lawn mowed. Which statements are correct?

A) Matt has to mow 15 lawns to pay back $100 to his sister

B) The explicit expression for the situation is 300+10x

C) Matt will have to mow 30 lawns to pay $300 back to his sister

D) Matt reduces his debt to his sister by $10 each lawn he mows

E) This situation can be expressed recursively as Sn=Sn-1-10,S0=300