Step-by-step explanation:
If a variables varies jointly, we can just divide it by the other variables in relation to it.
For example, since p variables jointly as q and square of r, then
where k is a constant
First, let find k. Substitute p= 200
q= 2, and r=3.
Now, since we know our constant, let find p.
Q is 5, and r is 2.
First, add them up. For her first draw, the probability of her getting a tile with an plant on it was 6/9. So when she takes one away, it will be 5/8.
Notice that the plane figures above are congruent with each other, so that
<h3>#6</h3>
x/8 = 4/16
16x = 8 × 4
16x = 32
x = 2
<h3>#7</h3>
x/5 = 48/6
6x = 5 × 48
6x = 240
x = 40
<h3>#8</h3>
x/7 = 90/10
10x = 7 × 90
10x = 630
x = 63
<h3>#9</h3>
3/x = 10/40
10x = 3 × 40
10x = 120
x = 12