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Jim has between 1 and 3 tens. Cradle has between 4 and 6 ones. What number can they make?     

 

a. 13     

b. 25     

c. 46     

 

0 ten and no/some ones will total either   0,   4,  5,  or   6     

1 ten and no/some ones will total either 10, 14, 15, or 16     

2 ten and no/some ones will total either 20, 24, 25, or 26     

3 ten and no/some ones will total either 30, 34, 35, or 36     

 

Looks like B is the only answer, that is, 25.     

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