contestada

Josie and her brothers and sisters measured their heights and found the mean averageThe mean was 150cmJosie forgot her height. Can you work out Josie's height? 150cm, 170cm, 140cm, 155cm help me with this ASAP

Respuesta :

Answer:

85 CMS

Step-by-step explanation:

Mean average means total height divided by no. Of persons.

So here total weight = 150+170+140+155+ X = 615+X

No. Of persons = 5

Average = total-height / no. Of persons

150 =, (615+X) / 5

150 * 5= 615+X

750=615+X

So, X= 750-615

X= 85 cm