Respuesta :

rongren79

Answer:

a)5:3

b)7.5:5.3

Step-by-step explanation:

150min : 90min (1 and a half hour)

30 : 18

5 : 3

150×10 mm : 1060 mm

1500mm : 1060mm

300mm : 212mm

150mm : 106mm

7.5mm : 5.3mm

haronprof

Answer:

(a) 5:3

(b) 75:53

Step-by-step explanation:

(a) 150minutes: 1 ½hours can also be expressed as

150mins:(60+30)min

150:90

Divide each side by 30

you get 5:3

(b) 150cm:1060mm can also be expressed as 1500mm:1060mm

Divide each side by 20mm

you get 75:53

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