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drek231 [11]
3 years ago
12

Please help with this

Mathematics
1 answer:
Ghella [55]3 years ago
7 0
5/1 because I know it
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Giselle works as a carpenter and as a blacksmith.
seropon [69]

Step-by-step explanation:

$20/hr carpenter pay

$25/hr blacksmith pay

Let c = hours working carpentry

Let b = hours working as blacksmith

c + b = 30 {equation 1}

20c + 25b = 690 {equation 2}

In equation 1 solve for one variable in terms of the other.

c = 30-b

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1 year ago
Ian owns a small business selling used books. He knows that in the last week 19
Softa [21]

Step-by-step explanation:

last week there were 19+30+77 = 126 customers.

19/126 = 1/14 paid cash.

30/126 = 5/21 paid by debit card.

77/126 = 11/18 paid by credit card.

next week he expects 1800 customers.

that is compared to 126 a factor of

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now we actually only need to apply the same factor to any part of the total sum to get their share in the new total sum.

it simply follows the rule

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77 × 100/7 = 11 × 100 = 1100 customers are expected to pay per credit card.

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2 years ago
HURRY TImed Which of the following is equivalent to 3 1/3? A 1/27 B 1 C 3√3 D 1log33
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Answer:

Step-by-step explanation:

3 1/3 is a mixed number, and is equivalent to 10/3.

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3 years ago
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