Question

The mean of three number is 10. the mean of other 4 number is 12​

Answer 1

Step-by-step explanation:

mean is 10 ;sum of 3 numbers =10×3=30

next mean is 12

sum of 4 numbers is 12×4=48

i get the above from the question what else is to find

Answer 2

Answer:

~11.14 (78÷7)

sum of 3 terms =3×10=30

sum of next 4 terms=4×12=48

sum of all 7 terms = 48+30=78

mean =78÷7~11.14