Question

The sum of three numbers is 154
The second number is 8 times the first.
The third number is 16 less than the second.
What is the third number?

Answer 1

Answer:

Let the no.'s be x ,y,z

Now

8x=y (A.T.Q.)

8x-16=z(A.T.Q.)

Now

Sum of all =154

8x+x+8x-16=154

17x-16=154

17x=170

x=10

Third no. =8x-16

=8x10-16

=80-16

=64

Answer 2

Answer:

Let the 1st no. be x

2nd no. =8x

3rd no. =8x-16

So,

x + 8x + (8x - 16)=154

9x + 8x = 154 + 16

17x = 170

x = 170 ÷ 17

x = 10