There is a spinner with 12 equal areas, numbered 1 through 12. If the spinner is spun one time, what is the probability that the
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r=0.25 miles
l=2×
=0.5 × 3.14
=1.57
120(minutes)÷2(miles)=60(minutes per mile)
60×1.57=94.2 minutes
we are given
now, we can factor out right side term
now, we can plug back
and we get
so,
.............Answer