Question

please answer my question immediately !!!​

Answer 1

Answer:

420, 7/10,44%

Step-by-step explanation:

2. 45%= 189

so 1%=189/45

100 =(189/45)*100

=21/5*100

=21*20=420

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3.

x=y-30%y

x=70%y

x=70/100*y

x/y=7/10

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4. 11:25=11/25

=11/25*100=11*4=44%