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 2 ℓ.
- Express 60 min as a percentage of 4 hours.
- Express 4 min as a percentage of 50 seconds.
(a)
1 ℓ = 1000 mℓ
5 ℓ = 5000 mℓ
7005000 x 100% = 14%
(b)
2000 mℓ = 2 ℓ
22 x 100% = 100%
(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): 14%, 100%, 25%, 480%