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2 years ago

an oil company drilled several walls.fifty wells, or 25%,produced oil.what was the total number of wells that were drilled

2 answers:

7 0

50 wells drilled are 25% of the total wells. Therefore, 1% (which is one twenty-fifth of 25%) of the wells is:
50 wells /25= 2 wells.

2 wells are 1% of the total wells. Therefore, 100% (which is 100 times as much as 1%) of the wells are:
2 wells *100= 200 wells.

Conclusion: The total number of wells that were drilled is 200 wells.

Hope this would help~

Phantasy [73]2 years ago

6 0

25% is equal to 100/25=1/4

We can substitute this into an equation to get the total number of wells where n can be equal to the total number of wells.

1/4*n=50
n/4=50
n=50*4
n=200

The total number of wells that were drilled was 200.

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Answer:

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Step-by-step explanation:

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Seven apple women, possessing respectively 20, 40, 60, 80, 100, 120, and 140

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Answer:

The amount each took home was 20 unit currency.

Step-by-step explanation:

We are given that Seven apple women, possessing respectively 20, 40, 60, 80, 100, 120, and 140 apples, went to market and sold all their apples at the same price, and each received the same sum of money.

Formula : $a \times n + (n - 1)$ , $(a + b)\cdot n + (n - 2)$ , $(a + 2 \cdot b) \cdot n + (n - 3)$ , $(a + 3 \cdot b) \cdot n + (n - 4)$ , $(a + 4 \cdot b) \cdot n + (n - 5)$ , $(a + 5 \cdot b) \cdot n + (n - 6)$ , $(a + 6 \cdot b) \cdot n + (n - 7)$

$a \cdot n + (n - 1) = 20$

$(a + b) \cdot n + (n - 2)=40$

$(a + 2 \cdot b) \cdot n + (n - 3) = 60$

$(a + 3 \cdot b) \cdot n + (n - 4) = 80$

$(a + 4 \cdot b) \cdot n + (n - 5) = 100$

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$(a + 6 \cdot b) \cdot n + (n - 7) = 140$

On solving :

n = 7, a = 2, b = 3

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$11 \times 7 + 3 = 80$

$14 \times 7 + 2 = 100$

$17 \times 7 + 1 = 120$

Based on market pricing if groups of apples are sold at 1 unit currency for 7, and extras are sold for 3 unit currency per extra 1, we have the amount :

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