PLEASE HELP

TechWiz Electronics makes a profit of $35 for each MP3 player sold and $18 for each DVD player sold. Last week, TechWiz sold a combined total of 111 MP3 and DVD players.
Let x be the number of MP3 players TechWiz sold last week. Write an expression for the combined total profit (in dollars) TechWiz made from MP3 and DVD players last week.

Question

PLEASE HELP

TechWiz Electronics makes a profit of $35 for each MP3 player sold and $18  for each DVD player sold. Last week, TechWiz sold a combined total of  111 MP3 and DVD players.
Let x be the number of MP3 players TechWiz sold last week. Write an expression for the combined total profit (in dollars) TechWiz made from MP3 and DVD players last week.

anonymous · Answer

35x+18(111-x)

anonymous · Answer

can you help me with more please?

anonymous · Answer

Thanks that was correct

anonymous · Answer

The family trip to Grandma's consisted of both a train ride and a car ride. The average speed of the train ride was 72 miles per hour, and the average speed of the car ride was  51 miles per hour. The entire trip lasted 10  hours.
Let x  be the number of hours the train ride lasted. Write an expression for the total distance of the trip, in miles.