The new mean is 66.09
<u>Explanation:</u>
Mean weight of 20 students = 65kg
One student with 88kg entered the room.
New mean = ?


The above equation can further be written as:

New mean = 
= 66.09
Therefore, the new mean is 66.09
7.5 is the answer for this questio
Answer:
4.5 mph
Step-by-step explanation:
6 times 3 is 18.
18 divided by 4 is 4.5
1cm = 2.5 ft
0.5 cm = 1.25 ft
Circumference = πD
Circumference = π(1.25)
Circumference = 3.93 ft
Answer: 3.93 ft
ANSWER: 2j-61
j = Jenny's age