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soldi70 [24.7K]
3 years ago
15

Which of the following is the greatest common factor of 38 and 57?

Mathematics
2 answers:
Ivenika [448]3 years ago
7 0

the answer is 19

hope this helps.

Masja [62]3 years ago
5 0

<u>Answer: </u>

The greatest common factor of 38 and 57 is 19.

<u>Solution: </u>

Given that the two numbers are 38 and 57. We need to find the greatest common factor of these two numbers.

G.C.D means the greatest factor of the two given numbers.

To find the greatest common factor, we need to find the prime factors of the individual numbers.

The prime factors of 38 = 2 \times 19

The prime factors of 57 = 3 \times 19

Here 19 is a common factor in both 38 and 57

Therefore the greatest common factor of 38 and 57 is 19

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The Cunninghams are moving across the country. Mr. Cunningham leaves 3 hours before Mrs. Cunningham. If he averages 40mph and sh
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now, if say, by the time they meet, Mr Cunningham has travelled "d" miles, that means Mrs Cunningham must also had travelled "d" miles as well.

However, he left 3 hours earlier, so by the time he travelled "d" miles, and took say "t" hours, for her it took 3 hour less, because she started driving 3 hours later, so, she's been on the road 3 hours less than Mr Cunningham, so by the time they meet, Mrs Cunningham has travelled then "t - 3" hours.

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3 years ago
Donis bought a t-shirt for $15 and jeans for $35.50. If the sales tax rate is 8.25%. What is the sales tax for the t-shirt and j
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<h3>Answer: 4 dollars and 17 cents</h3><h3>This is the same as saying $4.17</h3>

====================================================

Explanation:

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Take 8.25% of this to get

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and this rounds to 4.17, which is the amount of sales tax charged.

$4.17 = 4 dollars + 17 cents

---------

Extra info:

The grand total will be 50.50+4.17 = 54.67

Another way to get the grand total is to multiply 1.0825 by the previous subtotal (50.50) getting 50.50*1.0825 = 54.66625 and that rounds to 54.67

The multiplier 1.0825 effectively means "increase by 8.25%"

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