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 1000 mℓ as a percentage of 2 ℓ.
- Express 60 min as a percentage of 4 hours.
- Express 2 min as a percentage of 20 seconds.
(a)
1 ℓ = 1000 mℓ
2 ℓ = 2000 mℓ
5002000 x 100% = 25%
(b)
1000 mℓ = 1 ℓ
12 x 100% = 50%
(c)
1 h = 60 min
4 h = 240 min
60240 x 100% = 25%
(d)
1 min = 60 seconds
2 min = 120 seconds
12020 x 100% = 600%
Answer(s): 25%, 50%, 25%, 600%