Answer:
probablity of grapes = 0.2
Step-by-step explanation:
here's the solution : -
probablity of grapes =

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Nicoles pattern:
1
5
17
53
161
Ian’s pattern:
0
1
3
7
15
Ordered pair:
(1, 0)
(5, 1)
(17, 3)
(53, 7)
(161, 15)
Table 1 -
Sequence 1:
9
11
13
15
17
Sequence 2:
5
8
11
14
17
Ordered pair:
(9, 5)
(11, 8)
(13, 11)
(15, 14)
(17, 17)
Table 2 -
Sequence 1:
20
16
12
8
4
Sequence 2:
20
17
14
11
8
Ordered pair:
(20, 20)
(16, 17)
(12, 14)
(8, 11)
(4, 8)
Table 3 -
Sequence 1:
1
3
7
15
31
Sequence 2:
40
24
16
12
10
Ordered pair:
(1, 40)
(3, 24)
(7, 16)
(15, 12)
(31, 10)
Y equals nine x minus five I’m sorry I don’t know if I did the right thing but yeah
So Tina has been dieting for 13 weeks
On week 1: She lost 3 pounds, so +3 pounds
On week 2: She gained a pound, so - 1 pound
On each remaining week, she lost 2 pounds, so,
On week 3: She lost 2 pounds, so +2 pounds
On week 4: She lost 2 pounds, so +2 pounds
On week 5: She lost 2 pounds, so +2 pounds
On week 6: She lost 2 pounds, so +2 pounds
And so on,,,
So losing 2 pounds each week for 11 weeks would equal, 2 pounds x 11 weeks = 22 pounds
So, add that all up: 3 pounds - 1 pound + (2 x 11 weeks) = 24 pounds total