Answer:
It should be 75 inches
Step-by-step explanation:
The answer is 1/2 because 4yd = 12 ft. so the ratio would be 6 to 12 then you simplify to 1/2
Contains 5 buttons...
picks one, then replaces. then picks another
since he puts the button back, the sample size remains the same as when he picked the 1st one....and that sample size is 5
if 1 button is added, and he uses the same process and replaces the button he picked, then the sample size will be 6....because 1 button was added making a total of 6 buttons.
9 are still in the barn because 17-8=9