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1. 55,50,60,55,65,60,__,_,_,_
2. 11,13,15,17,_,_,_

2007-12-31 09:44:14 · 29 answers · asked by Anonymous in Science & Mathematics Mathematics

29 answers

Really?

PROBLEM 1:
Subtract 5, Add 10, repeat...

PROBLEM 2:
Add 2, Add 2, Add 2...

2007-12-31 09:46:38 · answer #1 · answered by Puzzling 7 · 2 0

55-5=50
50+10=60
60+5=65
65-5=60

60-5=55
55+10=65
65+5=70
65-5=60

i think is like that

------------

11 +2 =13
13+2=15
17+2=19
19+2=21
21+2=23

im sure this correct

2007-12-31 17:49:49 · answer #2 · answered by Anonymous · 0 1

1.70,65,75,70,80,75,85
2.19,21,23,25,27

2007-12-31 17:49:04 · answer #3 · answered by :Sonnata: 3 · 0 1

1. 55,50,60,55,65,60,70,65,75,70 (-5 +10 -5 +10 -5 +10 ...)
2. 11,13,15,17,19,21,22 (+2...)

2007-12-31 17:48:48 · answer #4 · answered by Felsen 3 · 0 1

65,60,70,65,75,70,80

2. 11,13,15,17,19,21,23

2007-12-31 17:48:39 · answer #5 · answered by Anonymous · 0 1

1. To get next no., subtract the previous no by 5 and add 10.
2. To get next no., add the previous no. by 2.

2007-12-31 17:48:32 · answer #6 · answered by Mr. Yes-Man 2 · 0 1

1. ?
2. + 2

2007-12-31 17:48:30 · answer #7 · answered by Summer 1 · 0 1

1. 50,65,55,60
2. 19,21,23

2007-12-31 17:48:09 · answer #8 · answered by Anonymous · 0 1

are you serious?
1) add 10 subtract 5
2) add 2

2007-12-31 17:48:05 · answer #9 · answered by booney_tunes 2 · 1 0

Pattern 1

Notice that the pattern is subtract 5, then add 10.

55, 50, 60, 55, 65, 60, 70, 65, 75, 70, 80, 75, 85, etc...

Pattern 2

Notice that each number increases by 2 from the previous number.

11, 13, 15, 17, 19, 21, 23, 25, 27, 29, etc...

2007-12-31 17:47:59 · answer #10 · answered by alsh 3 · 1 1

1. 55, 65, 60,55
2. 19,21,23,25

2007-12-31 17:47:53 · answer #11 · answered by Anonymous · 0 1

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