If the average height of 20 girls in
the class is 130 cm and the average
height of 20 boys is 134 cm, what is
the average height of all the students
in the class?
1 132.5 cm
2 133 cm
3 132 cm
4 131.5 cm
9:10 PM
Answers
Answered by
1
Answer:
3) 132
Step-by-step explanation:
(130+134)/2
=132
Answered by
1
Step-by-step explanation:
average = sum of the heights/2
= (130+134)cm
= 264cm
=264/2
=132 cm
ANSWER= 132cm
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