There are 10 boys and 20 girls in a class. The class has a test. The mean mark for all the class is 60. The mean mark for the girls is 54. Work out the mean mark for the boys.

72

CA
Answered by Charlotte A. Maths tutor

3908 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

What is completing the square and how do you do it?


Solve 2x + 7 = 13


A curve is given by the equation y=x^3-11x^2+28x; find the coordinates of the points where the curve touches the x-axis.


Simplify 3x^(2)+13x-30/x^(2)-32


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences