Saved Bookmarks
| 1. |
The Area of a courtyard is 3750m². Find the cost of covering it with gravel to a height of 1 cm if the gravel costs $6.40 per cubic metre. |
|
Answer» Solution:- Area of the courtyard = 3750 sq m. Height of the gravel = 1 cm or 1/100 m = 0.01 m Now, = 3750 × 0.01 volume = 37.5 cu m Now, cost of 1 cu m of gravel = Rs. 6.40 Total cost of gravel = 37.5 × 6.40 Total cost of covering the courtyard with gravel of 1 cm height = Rs. 240 Answer. Step-by-step EXPLANATION: Solution:- Area of the courtyard = 3750 sq m. Height of the gravel = 1 cm or 1/100 m = 0.01 m Now, Volume = Base area × Height = 3750 × 0.01 volume = 37.5 cu m Now, cost of 1 cu m of gravel = Rs. 6.40 Total cost of gravel = 37.5 × 6.40 Total cost of covering the courtyard with gravel of 1 cm height = Rs. 240 Answer. Aanya here |
|