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VikaD [51]
3 years ago
10

Armando read 20 pages of his 200-page book in 4 hours. At this rate, how long will it take him to read the entire book? (5 point

s)
A:20 hours
B:40 hours
C:4 hours
D:5 hours
Mathematics
1 answer:
denis-greek [22]3 years ago
7 0
The answer is B:40 hours. You take 200 divided by 20 to get 10 (the amount of 20 page sections he needs to read) and then multiply 10 by 4 (the speed he reads).
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Answer:

17.84875

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
How many meatballs are required for a party of 25 adults and 7 children ?
Dafna11 [192]
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3 0
3 years ago
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NISA [10]
- abc + 7abc - 3bc - 8abc
= 6abc - 3bc - 8bc
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7 0
4 years ago
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Eva8 [605]

Answer:

(4, 2 )

Step-by-step explanation:

Given the 2 equations

3x + y = 14 → (1)

7x - 4y = 20 → (2)

Rearrange (1) making y the subject by subtracting 3x from both sides

y = 14 - 3x → (3)

Substitute y = 14 - 3x into (2)

7x - 4(14 - 3x) = 20 ← distribute parenthesis and simplify left side

7x - 56 + 12x = 20

19x - 56 = 20 ( add 56 to both sides )

19x = 76 ( divide both sides by 19 )

x = 4

Substitute x = 4 into (3) for corresponding value of y

y = 14 - 3(4) = 14 - 12 = 2

solution is (4, 2 )

8 0
3 years ago
Read 2 more answers
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