Mary has rehearsed her ballet solo for five and a half hours. A week from now, she wants to have rehearsed at least a total of n
2 answers:
Answer:
2 hours per day
Step-by-step explanation:
Given : Mary has rehearsed her ballet solo for five and a half hours. A week from now, she wants to have rehearsed at least a total of nineteen and a half hours.
To Find : If she rehearses for the same amount of time each day for the next 7 days, at least how many hours must she rehearse per day?
Solution :
Mary has rehearsed her ballet solo =
She wants to have rehearsed at least a total of
So, hours left for rehearsel = 19.5-5.5= 14 hours
If she rehearses for the same amount of time each day for the next 7 days
So, she rehearsed each day = 14/7 = 2 hours
Hence she must rehearse for 2 hours per day
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The money can be withdrawn from the account every two months for the next 6 years is $20, 625, 000
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The formula for compound interest is given as;
P = principal interest = $25, 000
r = rate = 4. 5%
n = 2 months
t = 6 years
A =
A =
A =
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Thus, the money can be withdrawn from the account every two months for the next 6 years is $20, 625, 000
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