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Mama L [17]
2 years ago
8

How do you find theGreatest common factor for 15 and 40

Mathematics
1 answer:
mart [117]2 years ago
6 0

Answer:

See Explanation

Step-by-step explanation:

15 = 3 \times  \bold{ \red{ \boxed5}} \\  \\ 40 = 2 \times 2 \times 2 \times \bold{ \purple{ \boxed5}} \\  \\ common \: factor \:  of \: 15 \: and \: 40= 5 \\  \\  \therefore \: gcf \: of \: 15 \: and \: 40 = 5

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Gillian read 3135 words in 19 minutes. Let w represent the words read each minute. If Gillian read the same number of words each
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Answer:

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Step-by-step explanation:

if you tell us that Gillian read 3135 words in 19 minutes we can represent it as follows

19 m = 3135w

so now we have to find out how much I read in 1 minute, for this we have to divide both parts of equality by 19

19m = 3135w

19m/19 = 3135w/19

1m = 165w

she read 165 words per minute

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3 years ago
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3 years ago
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The local shelfer
Yuliya22 [10]

d + c = 19

100d + 15c = 1390

we can simplify the second equation

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