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olga nikolaevna [1]
3 years ago
14

4%of_____ days is 56 days

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
6 0

Hello from MrBillDoesMath!

Answer:   1400 days

Discussion:


Let "d" be the number of days. Then

4% * d = 56

Write 4% as 4/100

(4/100) d = 56.

Multiple both sides by 100

4d = 5600

Divide both sides by 4

4 * (1/4) d = 5600/ 4 = 1400 =>

d = 1400 days

Thank you,

MrB


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a) The time spent training on Tuesday = 60 + 10 = 70 minutes

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The time spent training on Wednesday = 20 + 15 = 35 minutes

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30, 35, 70, 80, and 85

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<u />

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The total number of minutes the athlete spent training = 70 + 80 + 85 + 30 + 35 = 300

The  percentage spent on strength training = \frac{120}{300} × 100 = \frac{40}%

d) The mean number of minutes spent on strength training is found as follows;

Mean_{strength} =\frac{120}{5} =24

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The mean total number of minutes spent training, Mean_{total} = \frac{300}{5} = 60

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