Hola i need help with this problem I got all confused with the letters
A,B,C,D and E are 5 numbers. The average of A,B,C, and E is 27. The average of B,C and D is 23. The average of B,C,D and E is 29. What is the average of these 5 numbers?
A+B+C+D=_______________=______
B+C+D=______________=______
B+C+D+E=_______________=______
From the second and third expressions, E=________________=_____
A+B+C+D+E=________________=______
The average of the 5 numbers=______________=_____
A+B+C+D=___27*4________=_108_____
B+C+D=___3*23__________=___69___
B+C+D+E=__3*29__\______=__87____
From the second and third expressions, E=________________=_____
A+B+C+D+E=________________=______
The average of the 5 numbers=______________=_____
I think the statement in the problem should have been: The average of A,B,C, and D is 27
how do u solve this?
Follow the directions on the form..
"from the second and third...
2 answers