SOLUTION: what number is missing from this pattern 3,8,18,? 53,78

SOLUTION: what number is missing from this pattern 3,8,18,? 53,78

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Question 671129: what number is missing from this pattern 3,8,18,? 53,78
Answer by lion2(2) (Show Source): You can put this solution on YOUR website!
3
8=3+5
18=8+10
x=18+15
53=x+20
78=53+25 ,from these x=33 therefor the missing number ir 33
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