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Solnce55 [7]
2 years ago
7

60% of what equals 27

Mathematics
2 answers:
gayaneshka [121]2 years ago
8 0

Answer:

45

Step-by-step explanation:

60% of 45 is 27

pshichka [43]2 years ago
3 0

Answer: 45

Step-by-step ex

The % sign comes from the Latin Per Cento or 'what part of 100'.

x times 60 parts out of 100 parts equals 27.

This can be written in the language of math as

x (60/100) = 27

x(.6) = 27

x(.6)/(.6) = 27 / (.6)

x = 45

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Answer:

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General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

3(x - 2) = 2(x + 1)

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute:                                     3x - 6 = 2x + 2
  2. Subtract 2x on both sides:          x - 6 = 2
  3. Add 6 to both sides:                    x = 8

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in <em>x</em>:                    3(8 - 2) = 2(8 + 1)
  2. Subtract/Add:                      3(6) = 2(9)
  3. Multiply:                               18 = 18

Here we see that 18 does indeed equal 18.

∴ x = 8 is a solution to the equation.

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2 years ago
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