Respuesta :
Answer:
a) 29% b) 22%
Step-by-step explanation:
The quantities must be expressed in the same units.
a) compare 35 minutes to 2 hours. 2 hours is 2 x 60 = 120 minutes.
35/120 = .291667 = 29%
b) compare 650 grams to 3 kilograms. 3 kg = 3 x 1000 = 3000 g.
650/3000 = .21667 = 22%
Answer:
see explanation
Step-by-step explanation:
To express as a percentage, first express as a fraction and multiply by 100%
The quantities must be expressed in the same units.
(a)
2 hours = 2 × 60 = 120 minutes, thus
[tex]\frac{35}{120}[/tex] × 100% ≈ 29.2% ( to 1 dec. place )
(b)
3 Kg = 3 × 1000 = 3000 g, thus
[tex]\frac{650}{3000}[/tex] × 100% ≈ 21.7% ( to 1 dec. place )