Find the following values without a calculator.
Give your answers in this manner. (Eg 10%, 20%, 30%, 40%)
- Express 700 mℓ as a percentage of 5 ℓ.
- Express 2000 mℓ as a percentage of 5 ℓ.
- Express 60 min as a percentage of 5 hours.
- Express 5 min as a percentage of 10 seconds.
(a)
1 ℓ = 1000 mℓ
5 ℓ = 5000 mℓ
7005000 x 100% = 14%
(b)
2000 mℓ = 2 ℓ
25 x 100% = 40%
(c)
1 h = 60 min
5 h = 300 min
60300 x 100% = 20%
(d)
1 min = 60 seconds
5 min = 300 seconds
30010 x 100% = 3000%
Answer(s): 14%, 40%, 20%, 3000%