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navik [9.2K]
3 years ago
10

Skskskskskssksk!!!!!!11 HELP PLEASE

Mathematics
1 answer:
salantis [7]3 years ago
7 0

Answer:

-8.21

Step-by-step explanation:

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Write the ratio two fifths<br> to 8 as a fraction in simplest form.<br><br> PLEASE HELP
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Step-by-step explanation:

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3 years ago
Robin can clean 72 rooms in 6 days how many can he clean in 9 days
Monica [59]
Let's put it this way. 
It's a ratio of 6:72 and we need to change it in a way to find number of rooms cleaned in 9 days.

Divide 6 & 72 both by 2
Ratio is now 3:36

Multiply 3 & 36 both by 3
Ratio is now 9:108

The number of rooms in which Robin can clean in 9 days is 108 rooms. 
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3 years ago
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slavikrds [6]
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there are 27 red or blue marbles in the bag the number of red marbles is 5 less than three times the number of blue marbles how
maria [59]
Answer=24 blue marbles and 3 red marbles

r=red marbles
b=blue marbles
b=3(r+5)

27=b+r
substitue b for '3(r+5)'
27=3(r+5)+r
27=3r+15+r
27=4r+15
subtract 15 from both sides
12=4r
divide both sides by 4
3=r

There are 3 red marbles

27=b+r
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subtract 3 from both sides
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There are 24 blue marbles
8 0
3 years ago
Help with 3 short questions
quester [9]
Sorry I have no idea
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3 years ago
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