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Bess [88]
3 years ago
13

I need homework help! Its proportions, but the thing is, I'm terrible at them. All I know is that is/of=x/100.

Mathematics
1 answer:
masha68 [24]3 years ago
7 0
19)  15/a = 3/2 

Start by cross multiplying....

3a = 30 

Divide both sides 3 

a = 10 

21)   2/7 = 4/d 

        2d = 28
       
        d= 14 

23)  8/p = 3/10

       
80 = 3p
         p = 26.66

25)  2 / -5 = 6/t
        2t = -30

      t = -15


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2.

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