word problem estimation

Question

1) A motorist travelled with a speed limit of 214km/h from one town to another. What was the total distance covered in 2hours to the nearest kilometers?

2) A interior decorator bought a piece of cloth 2.6m by 3m. Estimate how many pieces he will buy to cover a wall of 195m² .

Answer 1

1) use formula: distance = speed x time

or use proportion

2) Calculate area of a piece of the cloth, then see how many pieces of cloth can cover 195 square meter.