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wel
3 years ago
7

I subtract 14 from a certain number I multiply the result by 3 the final answer is 3 what was the number

Mathematics
2 answers:
DedPeter [7]3 years ago
5 0

Let the number = x

Set up the equation:

3(x-14) = 3

Simplify:

3x -42 = 3

Add 42 to both sides

3x = 45

Divide both sides by3

X = 15

The number is 15

12345 [234]3 years ago
3 0

Answer:

15.

Step-by-step explanation:

3(x - 14) = 3

3x - 42 = 3

3x = 42 + 3 = 45

x = 15.

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If a 10-pound sack of potatoes costs $6.55, how much would 1 pound cost? Round your answer to the nearest cent. A. $.65 B. $.66
kolbaska11 [484]
To determine the cost of 1 pound of potato, simply divide the 10-pound sack of potatoes cost by the number of pounds, 10. That is,
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3 years ago
The ratio of men to women to children at a concert was 3:5:2. If there were 360 more adults than children, how many people were
Vladimir79 [104]
The question narrows the groups down from 3 groups with men, women and children to 2 groups with adults and children. Combine the ratios of the men and the women to children to create this new ratio: (3+5):2 = 8:2. You can then simplify it to 4:1.

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Cross-multiply the two ratios to get the expression below, simplify and solve for x:

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total = 120 + (360 + 120)
total = 600

Hope this helped :)
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3 years ago
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