MATHEMATICS MIDDLE SCHOOL

56. If 6 men plough a field in 10 hours, how many hours will it take 4 men to do the same work? (Assuming they areworking at the same rate).
A 8 B. 15 C. 20 D. 25 E. 27​

Answers

Answer 1
Answer:

Answer:

15 hours, or B

Step-by-step explanation:

6 men - 10

12 men - 5

4 men - 15

Please mark as brainliest
Answer 2
Answer:

Answer:

15 hours

Step-by-step explanation:

10/6 ≈ 3.7

4 * 3.7 = 14.8

-round it up-

14.8 ≈ 15

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A number decreased by 5 is less than 32

Answers

I believe they want you to write an equation...

"a number" = x
"decreased by 5" = -5
"is less than 32" = <32

x - 5 < 32

That is the equation.

If you solve it...

x < 32+ 5
x < 37

x can be any number less than 37 to keep the equation true.
No. A number DECREASED by 5 IS 32. That means you ADD 5. So the correct answer is 37.

Plz help me with my hw

Answers

Simple,

So overtime might seem tricky, but the formula is...

number of overtime hours*1.5*regular pay rate

The answer is $12

12*40=$480

12*1.5*10=180

$480+180=$660

Thus, your answer...$12.   :D

What is the sum of 3/10 and 17/100

Answers

3/10 + 17/100

first make the 10 of the 3/10 turn into a 100 so it will make the 100 of the 17/100.
to make 10 turn into a 100 you multiply it by 10. if you're going to multiply the bottom number by 10 then you have to do the same thing with the top number:
3/10 * 10/10
3*10=30
10*10=100

new equation:
30/100 + 17/100

now just add the top numbers and leave the 100's alone:
30/100 + 17/100
30+17=47
30/100 + 17/100 = 47/100
Sum is just another word for addition, so we have to add the two fractions.

3/10 + 17/100 

Find the LCD of the denominators, hence the name 'least common denominator'.  To do that, list out the multiples of each denominator and find the least common one.

Multiples of 10: 10, 20, 30, 40, 50, 60, 70, 80, 90, 100
Multiples of 100: 100

The least common denominator is 100. 
Now, divide the denominator of 3/10 to get the new denominator of 100. Whatever you do to the bottom, you have to do to the top.

(3 × 10) / (10 × 10) + 17/100

30/100 + 17/100

Since the denominators are the same now, we can add both of the numerators together.

(30 + 17) / 100

47/100

The answer is: 47/100 or 0.47.

Whats the answer to the problem ?

Answers

Answer:

could you give what the problem is



Step-by-step explanation:

Yoshi and Rana serve muffins. There are 3 muffins with nuts. 1/6 of the muffins have nuts. How many muffins do they serve in all?

Answers

1/6 of the muffins is 3 muffins with nuts. So you multiply 3 by 6 to get 18 muffins in all.
It's would probably be 3 1/6

if the length of a radius of a circle is doubled how does that affect the circumference and area explain

Answers

If the length of the radius in a circle is increased (or in this case, doubled) the circumference changes along with it. Because, remember; radius is half of circumference, so if the radius changes it only makes sense for the or circumference to change as well. To find the area of the circle you need the circumference, and if the radius has been changed, so will the circumference, and if the circumference has changed, so will the area. Get it? Hope I helped
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