10% of the cookies are chocolate chips
The total number of cookies = 40
Number of cookies that are chocolate chips = 4
Percentage of cookies that are chocolate chips =
[(Number of chocolate chips)/(Number of cookies)] x 100%
Percentage of cookies that are chocolate chips = (4/40) x 100%
Percentage of cookies that are chocolate chips = 10%
Therefore, 10% of the cookies are chocolate chips
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