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olganol [36]
4 years ago
5

the ratio of men to women in a village is 12:25. If there are 120me.what is the total number of men and women​

Mathematics
1 answer:
Law Incorporation [45]4 years ago
7 0

Answer: Total = 370

Step-by-step explanation:

Men = 12/37

12/37x = 120

12x = 120 x 37

x = 4440 / 12

x = 370

Women = 25/37 x 370 = 250

Men = 12/37 x 370 = 120

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Rearrange the equation so m is the independent variable.<br><br> 7m + 2 = 7n - 5
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Answer:

M = n - 1

Step-by-step explanation:

7m + 2 = 7n - 5

Group like terms

7m = 7n - 5 - 2

7m = 7n - 7

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4 0
3 years ago
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While on a walk in the country, you pass a field full of horses and chickens. After a quick count, you determine there are 43 he
Irina-Kira [14]

Horse = x = 1 head and 4 feet

Chicken =y = 1 head and 2 feet

Horse + chicken = x + y = 43 ( total heads)

Horse = 43 - y

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Simplify:

172-4y + 2y = 122

Combine like terms

172-2y = 122

Subtract 172 from both sides

-2y = -50

Divide both sides by-2

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What is 5 1/4 in decimal form​
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A rectangle has a perimeter of 30 feet and an area of 50 square feet. What are the dimensions of the rectangle?
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Perimeter (p) = 2×length (l) + 2×width (w)
p = 2l+2w
area (a) = l×w, so solve for one (I'll use l):
a = l \times w \\ l =  a \div w \\ p = 2l + 2w = 2(l + w)
since p = 30, and a = 50, substitute the "a÷w" in for l in the perimeter equation:
p = 2(l + w) = 2((a \div w) + w) \\  = 2((a \div w) + ( {w}^{2} \div w)) \\  p= 2((a +  {w}^{2}) \div w
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therefore width can be either 5 or 10 (but not both), so let's plug in:
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What fraction is equal to 5/8
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