Answer:
A. 6975 cm, B. 69750 mm
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
because there are 20 girls and 10 boys = 30
Answer:
Mean=(46+48+51+53)/4
Mean=198/4
Mean=49.5
Step-by-step explanation:
Mean is the total amount per the total number of terms. It is also known as average.
Answer:
1+7+8+8
Step-by-step explanation: