Look at the data below from two random samples of a 100 students favorite lunch food from two different schools. which of the fo
llowing inferences can be made from the data above?
A. Students at Grant Middle School don't eat lunch
B. Above the same amount of pizza will be sold at both schools
C. More Students at Jackson Middle School prefer cheeseburgers
D. Students at Grant Middle School are three times more likely to purchase salad than Jackson Middle School.
A. Students at Grant Middle School don't eat lunch
B. Above the same amount of pizza will be sold at both schools
C. More Students at Jackson Middle School prefer cheeseburgers
D. Students at Grant Middle School are three times more likely to purchase salad than Jackson Middle School.
1 answer:
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Answer: The elevator takes 20 seconds to travel from first floor to sixteenth floor.
Step-by-step explanation: Given that an elevator takes 4 seconds to travel from the first floor to fourth floor.
We are to find the time taken by the elevator to travel from first floor to the sixteenth floor.
Number of floors between first floor and fourth floor = 4 - 1 = 3,
and
number of floors between first floor and sixteenth floor = 16 - 1 = 15.
So, time taken by the elevator to travel 3 floors = 4 seconds.
Time taken by the elevator to travel 1 floor
Therefore, time taken by the elevator to travel 15 floors will be
Thus, the elevator takes 20 seconds to travel from first floor to sixteenth floor.