The game is used in a school to raise money for charity-
1 answer:
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Answer:
The interest rate was of 5.5% a year.
Step-by-step explanation:
The compound interest formula is given by:
Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit year and t is the time in years for which the money is invested or borrowed.
In this question, we have that:
We have to find r.
Taking the square root from both sides to isolate r.
The interest rate was of 5.5% a year.
Answer:
131 m³
Step-by-step explanation:
The volume (V) of a cone is
V = area of base × height
= × π × 5² × 5
= π × 125 ≈ 131