mathhelp507
mathhelp507
13-12-2017
Mathematics
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Help and explain how you got the answer
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kotime1
kotime1
13-12-2017
2:3 = 2/3
30/x = 2/3
90/2x
x=45
There are 45 golf balls.
You can set up a proportion because you divide ratios.
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X=Y+45=3-2=x+ 90=1+9-0+7-4+5=8
