Find the following values without a calculator.
Give your answers in this manner. (Eg 10%, 20%, 30%, 40%)
- Express 600 mℓ as a percentage of 2 ℓ.
- Express 8000 mℓ as a percentage of 1 ℓ.
- Express 60 min as a percentage of 2 hours.
- Express 6 min as a percentage of 40 seconds.
(a)
1 ℓ = 1000 mℓ
2 ℓ = 2000 mℓ
6002000 x 100% = 30%
(b)
8000 mℓ = 8 ℓ
81 x 100% = 800%
(c)
1 h = 60 min
2 h = 120 min
60120 x 100% = 50%
(d)
1 min = 60 seconds
6 min = 360 seconds
36040 x 100% = 900%
Answer(s): 30%, 800%, 50%, 900%