Find the following values without a calculator.
Give your answers in this manner. (Eg 10%, 20%, 30%, 40%)
- Express 300 mℓ as a percentage of 6 ℓ.
- Express 6000 mℓ as a percentage of 3 ℓ.
- Express 30 min as a percentage of 5 hours.
- Express 6 min as a percentage of 10 seconds.
(a)
1 ℓ = 1000 mℓ
6 ℓ = 6000 mℓ
3006000 x 100% = 5%
(b)
6000 mℓ = 6 ℓ
63 x 100% = 200%
(c)
1 h = 60 min
5 h = 300 min
30300 x 100% = 10%
(d)
1 min = 60 seconds
6 min = 360 seconds
36010 x 100% = 3600%
Answer(s): 5%, 200%, 10%, 3600%