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
Related Maths GCSE answers
All answers ▸A line joins 2 points (2,9) and (5,4). Calculate the gradient of the straight line and then write down the equation of the straight line.
If 3(x-2)-4(x+5)=10 , what is the value of x?
Factorise fully X^2 - 6X + 8
2x^2-6x+5 can be written in the form a(x -b)^ 2 + c where a, b and c are positive numbers. Find a,b and c.