The average age of x and y is 18 years. If z is equal to 9 years the average of x, y and z is -
5 3959 608fc61a8ab6116292311208
Q:
The average age of x and y is 18 years. If z is equal to 9 years the average of x, y and z is -
- 124 yearstrue
- 215 yearsfalse
- 318 yearsfalse
- 420 yearsfalse
- Show Answer
- Workspace
- Discuss