Respuesta :

Solution (1):

Part-a) 1/20

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 1/20 x 100
  • => 1 x 5
  • => 5%

Part-b) 73/90

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 7/50 x 100
  • => 7 x 2
  • => 14%

Part-c) 3/4

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 3/4 x 100
  • => 3 x 25
  • => 75%

Part-d) 25/36

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 3/4 x 100
  • => 3 x 25
  • => 75%

Part-e) 10/80

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 10/80 x 100
  • => 10/4 x 5
  • => 2.5 x 5
  • => 12.5%

Part-f) 73/90

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 73/90 x 100
  • => 73/9 x 10
  • => 730/9 ≈ 81.11%

Part-g) 125/140

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 125/140 x 100
  • => 25/33 x 100
  • => 2500/33 ≈ 75.76

Part-h) 146/200

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 146/200 x 100
  • => 146/2
  • => 73%

Part-I) 25/40

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 25/40 x 100
  • => 25/2 x 5
  • => 125/2 = 62.5%

Part-j) 18/21

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 18/21 x 100
  • => 6/7 x 100
  • => 600/7 ≈ 85.71

Solution (2):

Part-a) 6:11

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 6/11 x 100
  • => 600/11 ≈ 54.55%

Part-b) 15:25

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 15/25 x 100
  • => 15 x 4
  • => 60%

Part-c) 20:90

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 20/90 x 100
  • => 2/9 x 100
  • => 200/9 ≈ 22.22%

Part-d) 1:2

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 1/2 x 100
  • => 50%

Part-e) 60:75

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 60/75 x 100
  • => 4/5 x 100
  • => 80%

Part-f) 50:65

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 50/65 x 100
  • => 10/13 x 100
  • => 1000/13 = 76.92%

Part-g) 2:6

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 2/6 x 100
  • => 1/3 x 100
  • ≈ 33.33%

Part-h) 30:76

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 30/76 x 100
  • => 3000/76
  • => 39.47%

Part-I) 3:8

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 3/8 x 100
  • => 300/8
  • => 37.5%

Part-J) 75:135

Formula: Multiply the fraction by 100 to obtain the percentage.

  • 75/135 x 100
  • => 7500/135
  • => 55.56%

Hoped this helped!

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