nuriaaaa nuriaaaa

04-12-2020
Mathematics

contestada

23 girls have a mean height of 153cm

17 boys have a mean height of 165cm

work out the mean of all 40 children?

plzz help me!!!
pleaseee

Respuesta :

evevg23 evevg23

04-12-2020

Answer:

Mean height of 159

Step-by-step explanation:

Add 153 and 165, then divide by 2 to find the average of 159.

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