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koban [17]
3 years ago
12

Mr. Abernathy purchases a selection of wrenches for his shop. His bill was $78. He buys the same number of $1.50 and $2.50 wrenc

hes, and half that many $4 wrenches. The number of $3 wrenches is one more than the number of $4 wrenches. How many of each did he purchase?
Mathematics
2 answers:
german3 years ago
8 0
If it's a $1 more than what he pays it will be $5
Fofino [41]3 years ago
3 0
If it's $1 more than what he pays it will be $5
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Dmitriy789 [7]

15,\ 1,\ 4,\ 4,\ 8,\ 7,\ 15,\ 4,\ 15,\ 4,\ 5\to\underbrace{1,\ 4,\ 4,\ 4,\ 4,\ 5,\ 7,\ 8,\ 15,\ 15,\ 15}_{11}\\\\mean=\dfrac{1+4+4+4+4+5+7+8+15+15+15}{11}=\dfrac{82}{11}\approx7.5\\\\median:1,\ 4,\ 4,\ 4,\ 4,\ \boxed{5},\ 7,\ 8,\ 15,\ 15,\ 15\\\\mode:1,\ \underbrace{4,\ 4,\ 4,\ 4}_{4},\ 5,\ 7,\ 8,\ 15,\ 15,\ 15

<h3>Answer: mean = 7.5, median = 5, mode = 4</h3>
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3 years ago
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Step-by-step explanation:

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