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True [87]
3 years ago
8

This week, Johnny spent a total of 100 minutes training. This total was 8 more than four times the amount of minutes he trained

last week. How many minutes did Johnny spend training last week ?
A) 100-4x=8
B) 8+4x=100
C) 4x-8=100
D) 100-8=4x
Mathematics
1 answer:
AlladinOne [14]3 years ago
7 0
B is the right answer
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<u><em>Explanation</em></u>

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Now if both the husband and wife are hired, then it means <u>the remaining (5-2)= 3 positions are filled from the remaining (11 -2) = 9 people</u>.

So, the possible number of ways for selecting 3 people from 9 people will be: ^9C_{3}

Thus, the probability = \frac{^9C_{3}}{^1^1C_{5}}=\frac{84}{462}=\frac{2}{11}  

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Answer:

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