What is 25% of 400?
25% = 0.25 or also one fourth of the total. Therefore if you divide 400 by 4, this equals 100. One fourth of 400 is 100.
MM
Related Maths GCSE answers
All answers ▸Factorise x^2+3x-4
5 students are in a maths class and 10 students are in a physics class. The mean mark of the maths class is 90 and the mean mark of the physics class is 85. Work out the mean mark of both classes.
How do you expand brackets?
The longest side in a right-angled triangle is 12cm. One of the shorter sides is 4 cm. Calculate the perimeter of the triangle