Francis' family has 2 ukuleles, 4 guitars, and a certain number of violins. Each ukulele has 4 strings. Each guitar has 6 strings. Each violin has 4 strings. If the total number of strings among the ukuleles, guitars, and violins is 40 strings, how many violins does Francis' family have? Let's think step by step and output the final answer after "####".
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From the ukuleles, there are 2 * 4 = <<2*4=8>>8 strings
From the guitars, there are 4 * 6 = <<4*6=24>>24 strings
From the violins, there are 40 - 8 - 24 = <<40-8-24=8>>8 strings
The total number of violins Francis' family has is 8 / 4 = <<8/4=2>>2 violins
#### 2
Francis' family has 2 ukuleles, 4 guitars, and a certain number of violins. Each ukulele has 4 strings. Each guitar has 6 strings. Each violin has 4 strings. If the total number of strings among the ukuleles, guitars, and violins is 40 strings, how many violins does Francis' family have?
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