Kin drives 160 miles on Monday and 105 km on Tuesday. How many km did he drive in total? Use 5 miles = 8 km. PLEASEE HELPP

Arandom high school question but a hard one

Oscar and julie ashton are celebrating their 15th anniversary by having a reception hall. they have budgeted $4,500 for their reception. if the reception hall charges a $90 cleanup fee plus & 36 per person, find the greatest number of people that they may invite and still stay within their budget.

Two numbers have a sum of -19. one number is x. what expression represents the other number?