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leonid [27]
3 years ago
5

Hi I am not good at math so I need help please

Mathematics
1 answer:
andre [41]3 years ago
4 0

Answer:

1) 3:2

2) 2:1 cm

3) 1:4 meters

4) 3:2

5) 2:1:3

Step-by-step explanation:

1) 18:12 reduce --> 3:2

2) 30 - 20 = 10 ---> so 20:10= 2:1

3) 6x4= 24 so --> 6:26 reduce 1:4

4) 25-15= 10 so 15 red to 10 blue reduce ---> 3:2

5) 20 yellow 10 blue 30 red reduce---> 2:1:3

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