9514 1404 393
Answer:
453.6 g
Explanation:
The mass of 80 quarters will be 80 times the mass of 1 quarter:
80 × 5.67 g = 453.6 g
The mass of two rolls of quarters is 453.6 grams.
_____
Additional comment
That's about 1.0000 pounds.
3.4m questions
4.3m answers