The number of grains of brown sand in the bucket is 76000 grains
From the question given above, the following data were obtained:
The amount of brown sand in the bucket can be obtained as illustrated below:
Amount = concentration × total
Amount of brown sand = (8 / 1000000) × 9.5×10⁹
Amount of brown sand = 76000 grains
Thus, the number of grains of brown sand in the bucket is 76000 grains
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Complete question
Suppose you have a bucket of sand containing 9.5 billion grains of sand (9.5 × 109 grains). Most of the grains of sand are white, but there are some brown grains mixed evenly throughout.
If the concentration of brown sand is 8.0 ppm, how many grains of brown sand are in the bucket?
