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3 years ago

9

I really need the answers for these I don't understand this

1 answer:

Yuri [45]3 years ago

8 0

I tryed my best to figure out what all of the numbers were. if i got any wrong then please tell me and i will put the right answer in the comments.

1) 3/5= 5/x (cross multiply)
3x=5(5)
3x=25
x= 25/3 -or- 8.33

2) 2/4=x/12<span>   (cross multiply</span><span>)
</span> 2(12)=4x
   24=4x
   6=x
3) 10/x=5/9<span>   (cross multiply</span><span>)
10(9)=5x
90=5x
18=x
4) 5/5=x/18</span><span>   (cross multiply</span><span>)
5(18)=18x
90=18x
5=x</span>

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