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

4003 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

(2x + 3)/(x-4) - (2x - 8)/(2x + 1) = 1


Find the gradient of the line on which the points (1,3) and (3,4) lie and find the y-coordinate of the line at x = 7.


Given that f(x ) = 4x^3 + 12, evaluate f ( −2) .


Please explain how to multiply two exponential expressions


We're here to help

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

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning