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scoundrel [369]

2 years ago

13

working alone shanice can tar a roof in 12 hours. One day her friend Kathryn helped her and it only took 5.14 hours. How long wo

uld it take Kathryn to do it alone

1 answer:

Alika [10]2 years ago

5 0

Answer: it would only take her 7 hours to do it alone

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lesya692 [45]

$3(14 - 5x) = 16 - 12x$

Distribute 3 throught the parentheses

$42 - 15x = 16-12x$

Move the variable to the left-hand side and change its sign

$42 - 15x + 12x = 16$

Move the constant to the right-hand side and change its sign

$- 15x+12x=16 - 42$

Collect like terms

$- 3x = - 26$

Divide both sides of the equation by -3

$\boxed{x = \frac{26}{3} }$

6 0

2 years ago

Read 2 more answers

Can somebody help me?

Degger [83]

A percentage
Have a good dayyyyyy

5 0

3 years ago

What is the length of AB?<br> 14 unite<br> 12 unite<br> 10 unite<br> 6 units

Sloan [31]

the answer willllll be 6 units

5 0

2 years ago

I would apreciate an answer <3.

zheka24 [161]

Djiejdnfjeodkcjsjsidjdnbd!;!;73!;!

3 0

2 years ago

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At basketball practice you made 21 out of 80 shots. Which choice is closest to the percentage of shots you made?

love history [14]

Since this is a percentage, all you have to do is divide 21 from 80 and multiply that by 100
21/80 = .2625 * 100 is 26.25

The answer closest to this is 25%, so the answer is 25%

Hope this helped! :D

5 0

2 years ago

Read 2 more answers