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 2 ℓ.
- Express 3000 mℓ as a percentage of 1 ℓ.
- Express 60 min as a percentage of 5 hours.
- Express 6 min as a percentage of 50 seconds.
(a)
1 ℓ = 1000 mℓ
2 ℓ = 2000 mℓ
7002000 x 100% = 35%
(b)
3000 mℓ = 3 ℓ
31 x 100% = 300%
(c)
1 h = 60 min
5 h = 300 min
60300 x 100% = 20%
(d)
1 min = 60 seconds
6 min = 360 seconds
36050 x 100% = 720%
Answer(s): 35%, 300%, 20%, 720%