Question

Any mathematician kindly solve this . The mean height of 20 boys and 14 girls is 161 cm if the mean height of 14 gurls is 151 cm find the mean height of 20 boys​

Answer 1

Answer:

171 cm

Step-by-step explanation:

Let mean of height of boys be x

Let mean of height of girls be y

Therefore,

(x+y) /2=161

(x+151) /2=161

x+151=322

x=171

Therefore mean of height boys is 171 cm.