1. Mr. Simon drove 9 miles in his new car on Tuesday and 15 miles on Monday.  How many miles did he drive in these two days?   2. There are 2 buses and 37 trucks in a parking lot. How many vehicles are there in the parking lot?   3. There are 6 men and 35 women in an aeroplane. How many passengers are there altogether?   4. Ronnie is a mechanic. He repaired 13 cabs and 46 cars last month. How many vehicles did he repair altogether?   5. Mrs. Smith used 2 gallons of fuel last week. She used 5 gallons this week. How many gallons of fuel were consumed in the two weeks?