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Pachacha [2.7K]
3 years ago
5

Can someone check this?

Mathematics
1 answer:
torisob [31]3 years ago
5 0

Answer:

it all looks right to me











Step-by-step explanation:


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3 years ago
Tommy can lay a brick walkway by himself in 12 hours. Robert does the same job in 10 hours.
Lapatulllka [165]

Answer:

5 5/11 hours

Step-by-step explanation:

So, there is a trick to doing this.

You would first need to get their work rate into the same measurements.

That's why we will find out how much they each work in one hour.

Tommy does 1/12 of the work in one hour while Robert does 1/10.

Here we can add them both up to make 11/60.

They finish 11/60 of the work in one hour.

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8 0
3 years ago
20 - 4b/8= 18<br><br> another one :)
Crazy boy [7]

multiply by 8 on both sides

(20)8 - 8(4b/8) = (18)8

160 - 4b = 144

subtract 160 on both sides

160 - 160 - 4b = 144 - 160

-4b = -16

divide by -4 on both sides

-4b/-4 = -16/-4

b = 4

5 0
3 years ago
4 quarters are equal in value to 20 nickels.
Brums [2.3K]

Answer:

30

70

5 (5 nickels for every 1 quarter)

4 0
3 years ago
Need some math help
Blababa [14]

Answer:

why do you need help if it gives you the value?

Step-by-step explanation:

3 0
3 years ago
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