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 4 ℓ.
- Express 3000 mℓ as a percentage of 2 ℓ.
- Express 90 min as a percentage of 6 hours.
- Express 2 min as a percentage of 60 seconds.
(a)
1 ℓ = 1000 mℓ
4 ℓ = 4000 mℓ
6004000 x 100% = 15%
(b)
3000 mℓ = 3 ℓ
32 x 100% = 150%
(c)
1 h = 60 min
6 h = 360 min
90360 x 100% = 25%
(d)
1 min = 60 seconds
2 min = 120 seconds
12060 x 100% = 200%
Answer(s): 15%, 150%, 25%, 200%