Represent the total number of boxes that both jean and clint stack in h hours,
total number of boxes=(50xh)+(60xh)
you want the total number of boxes for both of them together. so the amount they can stack times h or the hours. so if h=5 you would do 50x5 plus+ 60x5 which would give you 250 and 300. add the two you get 550 boxes for 5 hours total.
Twenty tables would be the answer
Answer:
i think it is 15 weeks
Step-by-step explanation:
hope it helped
Given:
n = 40, sample size
Confidence level = 99% => z* = 2.58

, sample proportion.
By definition, the margin of error is

Answer:
According to Sarah's poll, she can conclude with 99% confidence level that 20% of the high school population is happy with the quality of the cafeteria food, with a margin of error of +/- 16.3%.