Answer :
42 sandwiches were not tuna salad.
Step-by-step explanation:
Given,
Number of sandwiches sold = 56
Tuna salad sandwiches = 25%
No. of tuna salads = 25% of total sold
[tex]No.\ of\ tuna\ salads=\frac{25}{100}*56\\\\No.\ of\ tuna\ salads=\frac{1400}{100}\\\\No.\ of\ tuna\ salads=14[/tex]
14 sandwiches were tuna salads, the remaining will not be, therefore;
Remaining sandwiches = Total sold - No. of tuna salads
Remaining sandwiches = 56 - 14 = 42
42 sandwiches were not tuna salad.
Keywords: percentage, subtraction
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