62.5/100 and 0.625 are both equivalent.
I believe the ratio in simplest form is 1.3 to 0.7.
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1. 1/4(x+3)=12=X+3-12*4/4=X-45/4. Then, x-45/4=0. So, 1. X=45. 2. x+4/3=12=3x-32/3*3=0*3. 3x-32=0. You add 32 to each sides. 3x=32. x=32/3. Therefore, 1. x=45 and 2. x=32/3
1/3 probability of rolling a 1 or a 5