Respuesta :

20ragupahtili

Answer:

1.6) the answer is 1:4

1.7) the answer is 30:1

Step-by-step explanation:

20:80

Check for the HCF

Well it's 20 because 20*1=20 and 20*4=80

150:5

HCF=5

5*1=5 and 5*30=150

I hoped you have understood what I'm trying to explain.

Have a wonderful day!
The first one can be simplified by 2 and the second one 5

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