Find the following values without a calculator.
Give your answers in this manner. (Eg 10%, 20%, 30%, 40%)
- Express 500 mℓ as a percentage of 2 ℓ.
- Express 6000 mℓ as a percentage of 4 ℓ.
- Express 60 min as a percentage of 4 hours.
- Express 4 min as a percentage of 50 seconds.
(a)
1 ℓ = 1000 mℓ
2 ℓ = 2000 mℓ
5002000 x 100% = 25%
(b)
6000 mℓ = 6 ℓ
64 x 100% = 150%
(c)
1 h = 60 min
4 h = 240 min
60240 x 100% = 25%
(d)
1 min = 60 seconds
4 min = 240 seconds
24050 x 100% = 480%
Answer(s): 25%, 150%, 25%, 480%