1. Mr. Baker drove 21 miles in his new car on Monday and 48 miles on Friday.  How many miles did he drive in these two days?   2. There are 3 cabs and 50 vans in a parking lot. How many vehicles are there in the parking lot?   3. There are 34 men and 50 women in an aeroplane. How many passengers are there altogether?   4. Brian is a mechanic. He repaired 27 buses and 34 cars last month. How many vehicles did he repair altogether?   5. Mrs. Jackson used 8 gallons of fuel last week. She used 7 gallons this week. How many gallons of fuel were consumed in the two weeks?