Answer:
33/7
Multiply the denominator of the fraction by the whole number.
Add this result to the numerator of the fraction
answer becomes the numerator of the improper fraction.
Explanation:
30 kg m/s
momentum = mass x velocity = 10 x 3 m/s =30 kg m/s
Density = mass / volume so
Density = 156 / 20.0
Density = 7.8 g/mL