A store has a $179.99 item on sale for 25% off, plus an additional 20% off. What is the percentage of savings off on this item?
1 answer:
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Answer:
Step-by-step explanation:
1. add the side lengths
The density of the marble will be "0.18 kg/m³".
According to the question,
Volume of marbles,
- V = 25 cm³
By converting it into m, we get
- 0.25 m³
Mass,
- M = 45 g
By converting it into kg, we get
- 0.045 kg
As we know, the formula:
→
By substituting the values, we get
→
→
Thus the answer above is correct.
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