K-10=-7
K=10-7 Add 7 for both side.
k=3
You have to find out what is the square root of 1.5 is which is <span>1.22474487139 by calculator to make sure of this, do answer squared and you will get 1.5</span>
82.14 will be rounded down to 80, 38.5 will be rounded up to 40, and 41.3 will be rounded down to 40.
80 + 40 + 40 = 160
The approximate sum is 160.
Written out, this would be (x / 7) - 10 < -6
solved, it would be x < 28