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Mathematics, 05.09.2021 16:20 mayaduke9482
PLS HELP ASAP!! there are n counters in a jar. seven of the counters are red. the rest of the counters are green. keiran takes a counter at random from the jar and places it on the table. he then takes another counter at random from the jar and places it on the table. the probability that keiran takes two red counters is 1/5. work out the number of counters in the jar
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