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galina1969 [7]
2 years ago
7

A lumberjack can cut a log into 5 pieces in 20 minutes. How long does it take to cut a log of the same size and shape into 7 pie

ces? If you dont have the correct answer please dont comment
Mathematics
1 answer:
Nitella [24]2 years ago
8 0

Answer:

28minutes

Step-by-step explanation:

Use this simple trick, it can be used almost everywhere

Time taken pieces

20mins 5

? 7

An x shape is always multiply and straight line is divide

So (7 x 20) ÷5

If u still don't understand, just comment again

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5 hours. 16 divided by 2 equals 8 40 divided b 8 equals 5
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3 years ago
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Solve for w<br> Please help
Evgesh-ka [11]

Answer:

D. w = 19.

Step-by-step explanation:

Hey so I'm tryna' do this thing wit my friend we have to get the most brainliest in 1 week so I was wondering if you could help me on that by giving me brainliest, u don't have to tho! it was a pleasure helping you.

5 0
2 years ago
The ratio of John's money to Jimmy's money is 5:8. Jimmy spent 1/4
erma4kov [3.2K]

Answer:

a. $3600

b. 6:5

Step-by-step explanation:

Put the question into an equation:

8x - 1/4 x 8x = 5x + 450

(simplify before solving) 6x = 5x + 450

(solve) 6x-5x = 450

x = 450

This means that Jimmy had 8 x 450 $ to start with = 3600

you can check this by subtracting a quarter of 3600 from 3600 and also multiplying 450 by 5 and then obtaining their difference. You get 450!

Now ratio of new amounts:

Jimmy now has: $2700

John still has: $2250

so ratio is 2700:2250

simplify to 6:5

Hope this helps

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3 0
3 years ago
A rancher decreased the number of his
tamaranim1 [39]

Answer:

20%

Step-by-step explanation:

150-120 is 30

30 is 1/5 of 150

1/5 is .2, which is 20%

Hope that helps~

7 0
3 years ago
-2x+4=10 <br> 3/4x =2<br> Plz help ill give brainly
Archy [21]

Answer:

a) \:  - 2x + 4 = 10 \\ 4 = 10 + 2x \\ 4 - 10 = 2x \\  - 6 = 2x \\  \frac{ - 6}{2}  = x \\  - 3 = x \: or \: x =  - 3 \\  \\ b) \:  \frac{3}{4x}  = 2 \\ 3 = 2 \times 4x \\ 3 = 8x \\ x =  \frac{3}{8}  \\ 0.375 = x \:  \: or \: x = 0.375

Step-by-step explanation:

please mark me brainliest

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3 years ago
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