[Question]: Tom got 40 oranges and 70 apples. If he sold 1/4 of the oranges and 1/2 of the apples. How many fruits were left in total?
[Answer]: There are 40 + 70 = 110 oranges and apples altogether . He sold 40 x .25 = 10 pieces of oranges. He sold 70 x .50 = 35 pieces of apples. So, Tom was left with 110 - 10 - 35 = 65 pieces.
So the answer is 65.

[Question]: Andy needs to drive from Salt Lake City to Los Angeles. The drive from Salt Lake City to Las Vegas is 420 miles. The drive from Las Vegas to Los Angeles is 273 miles. He wants to make the drive in 11 hours. What's the average minimum speed that Andy needs to drive to reach Los Angeles in 11 hours?
[Answer]: The total distance of the trip is 420 + 273 = 693 miles. To make the trip Andy must drive 693 miles / 11 hours = 63 miles per hour.
So the answer is 63.

[Question]: On Monday a group of 7 children and 5 adults went to the zoo. On Tuesday a group of 4 children and 2 adults went as well. Child tickets cost $3, and adult tickets cost $4. How much money did the zoo make in total for both days?
[Answer]:
The total amount of children that went on both days is 7 + 4 = 11. The cost of the children's tickets is 11 $3 = $33. The total amount of adults that went on both days is 5 + 2 = 7. The cost of the adults' tickets is 7 $4 = $28. The zoo made $33 + $28 = $61 in total.
So the answer is 61.