The average (mean) of 90 numbers is 60, and the average of 60 numbers is 90. What is the average of all the numbers?

Average = 72

Step-by-step explanation:

Average of 90 nos. = 60

Total score = 90 x 60 = 5400

Average score of 60 nos is 90

Total score = 60 x 90 = 5400

Average of all nos

= (5400 + 5400) / 150 = 72

55/i dont know i do it for the points

step-by-step explanation:

.632

step-by-step explanation:

6 * 1/10 = 3/5

3*0.01 = 0.03

3/5 + 0.03 = .63

2*0.002 = .002

.63 + 0.002 = .632