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Anvisha [2.4K]
3 years ago
12

7.) Plumbers earn $160 a day and plumbers' helpers earn $100 a day. Twenty

Mathematics
1 answer:
9966 [12]3 years ago
6 0

Answer:

Step-by-step explanation:

p and h are number of plumbers and helpers, respectively.

Twenty workers earn a total of $2600

p+h = 20

h = 20-p

160p + 100h = 2600

160p + 100(20-p) = 2600

60p = 600

p = 10

h = 20-p = 10

Ten plumbers and ten helpers.

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sveta [45]

Answer:

e) The company's daily cost to manufacture 80 items of the product is $500.

Step-by-step explanation:

We have that:

c is the cost in hundreds of dollars to manufacture n items. The input is the number of items, and the output is the cost, in hundreds of dollars.

Inverse function:

In the inverse function, the input and the output are exchanged from the original function, that is, in this situation, the input in the cost, in hundreds of dollars, and the output is the number of manufactured items.

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Input of the inverse function is 5, which is the cost, in hundreds of dollars, that is, $500, to manufacture 800 itens. This means that the correct answer is given by option e.

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3 years ago
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Answer:

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Step-by-step explanation:

Given the linear equation:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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