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Laverne starts counting out loud by 5's. She starts with 1. As Laverne counts, Shirley sums the numbers Laverne says. When the sum finally exceeds 40, Shirley runs screaming from the room. What number does Laverne say that sends Shirley screaming and running?

 Mar 20, 2024
 #1
avatar+129842 
+1

Laverne says   1 , 6 , 11,  16,  21

 

Progressive sums   =  1 , 7  , 18 , 34 , 55

 

21

 

cool cool cool

 Mar 20, 2024

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