An easy way to find out (without counting) requires you to sacrifice a brush. Cut off a quantifiable measure of bristles - just the least amount needed to get a reading on a digital scale. Divide that result by the number of bristles it took to get that answer. That's how much one bristle weighs. Record that result and then weigh the rest. Divide the weight of the bulk of the bristles by the weight of 1 bristle and you've got a good measure of how mant there are.How many bristles are on a paint brush?
It depends on the size of the paintbrush and the size of the bristles
prolly the same amount of warts on a frogs butt
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