1st one . . . . . 1
2nd one . . . . . 3
3rd one . . . . . 5
4th one . . . . . 7
5th one . . . . . 9
.
.
9th one . . . . . 17
It looks to me like the 'n'th odd number is always (2n - 1) .
In that case, the 200th odd number is (2x200 - 1) = <em>399 </em>.
I'll let you check it out and see if that's correct.
The correlation coefficient for blood pressure and amount of vegetables eaten which is a negative number (-0.7) suggests that they are in inverse relation. Eating more vegetable should lower the blood pressure. In the same manner, not eating vegetables would likely cause high blood pressure.
If you have graph paper (or regular paper, graph is easier) you can plot it out. The equation would be y=x-1
just graph the point and then go up one over one until you get cross the y-axis