Question

there is 60 cows in the field 20% of the cows have brown spot and 1/3 of the cows have black spot the rest have no spot how many cows have no spots

Answer 1

Your answer should be:

28 cows.

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With there being 60 cows:

12 cows have brown spots.

20 cows have black spots.

28 cows have no spots.