Please add formula answer included

1. Bill sold 3 times as many cars as Doug last month. Laurel sold 45 cars, which was 1 1/2 times as many cars as Bill. How many cars did Doug sell? answer is 10 cars
3. 2. The local grocery store sells two cans of soup for $1.28. It has a special sale of six cans for $3.12. A customer buys 12 cans at the special sale price. How much did the customer save over the regular price? answer is 1.44

3. A hotel has 15 floors. Each floor has 26 single-person rooms and 38 two-person rooms. What is the total guest capacity at the hotel? answer is 1530

4. Linda leaves Boise to travel the 2,160 miles to Austin, driving at a speed of 55 mph. Mark leaves Austin driving the same 2,160 mile route to Boise at 65 mph. How many miles will Mark have traveled when they meet? (Hint distance = speed x time) answer is 1170 miles

5. Autzen Stadium in Eugene holds 59,000 screaming Duck fans. The games have been sold out for years. 18,500 fans walk to the game, 12,000 take the local bus and the remainder drive and park at the stadium. The average car brought 4 people. On average, how many cars parked at the stadium? answer is 7125

6. You are in charge of organizing the annual stockholders meeting and luncheon for your company, Making Big Bucks Now. The meal will cost $13 per person, entertainment will cost $2,100, facility rental is $880, invitations and annual reports printing costs are $2,636, and other expenses come to $1,629. If 316 stockholders plan to attend, what is the total cost of the luncheon? What is the cost per stockholder? answer is $11,353 and also $35.93