1. Mr. Gates drove 29 miles in his new car on Tuesday and 49 miles on Sunday.  How many miles did he drive in these two days?   2. There are 2 cars and 13 vans in a parking lot. How many vehicles are there in the parking lot?   3. There are 26 men and 28 women in an aeroplane. How many passengers are there altogether?   4. Ronald is a mechanic. He repaired 13 trucks and 7 cabs last month. How many vehicles did he repair altogether?   5. Mrs. Smith used 8 gallons of fuel last week. She used 7 gallons this week. How many gallons of fuel were consumed in the two weeks?