Answer:
Step-by-step explanation:
(-3/7)/(1/2)=
(-3/7)*(2/1)=-6/7
1st one is 40
2nd is 4
3rd is 12
16 1/2= 33/2=66/4
66/4 x 1/4 is 66/16
33/8
The answer is 33/8 ounces.
These statistics are impossible: all students who ride bike and use crossing guard ride a bike, so the proportion of students who ride a bike and use the crossing guard must be less than or equal to the proportion of students who ride a bike. This is not true in the given stats; 0.12 > 0.1