Find the following values without a calculator.
Give your answers in this manner. (Eg 10%, 20%, 30%, 40%)
- Express 800 mℓ as a percentage of 5 ℓ.
- Express 6000 mℓ as a percentage of 6 ℓ.
- Express 30 min as a percentage of 5 hours.
- Express 5 min as a percentage of 50 seconds.
(a)
1 ℓ = 1000 mℓ
5 ℓ = 5000 mℓ
8005000 x 100% = 16%
(b)
6000 mℓ = 6 ℓ
66 x 100% = 100%
(c)
1 h = 60 min
5 h = 300 min
30300 x 100% = 10%
(d)
1 min = 60 seconds
5 min = 300 seconds
30050 x 100% = 600%
Answer(s): 16%, 100%, 10%, 600%