Question

Very grateful for your help :)

Answer 1

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!