Question

Anne took a test in chemistry she scored 20 markes out of 50 work out her percentge mark

Answer 1

40%

Explanation:

• Total Mark = 50
• Mark obtained = 20
• Percentage = (Mark obtained/Total mark) x 100
• (20/50) x 100
• (2/5) x 100
• 2 x 20
• 40%

Answer 2

40%

Explanation:

to change a fraction to a percentage multiply by 100% , that is

`(20)/(50)` × 100% = 0.4 × 100% = 40%