In 2017 the number of teachers in a school was 20. The number of teachers doubles each year. If in 2019 3/5 of the teachers are female how many male teachers are there in 2019?
17=2018= 20 x 2 = 4019 = 40 x 2 =801-3/5 = 2/52/5 x 80 = 32
LP
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