1. Mr. Hurt drove 31 miles in his new car on Tuesday and 136 miles on Wednesday. How many miles did he drive in these two days?   2. There are 21 trucks and 37 buses in a parking lot. How many vehicles are there in the parking lot?   3. There are 28 men and 51 women in an aeroplane. How many passengers are there altogether?   4. Robert is a mechanic. He repaired 87 cars and 88 vans last month. How many vehicles did he repair altogether?   5. Mr. Hick used 54 gallons of fuel last month. He used 36 gallons this month. How many gallons of fuel were consumed in the two months?