Thomas wants to see how far he can throw a javelin. He records four of his throws as 45 metres, 40 metres, 55 metres, and x metres. Given that the mean of Thomas' throws is 50, determine the value of x.

Answer is 60.

MC
Answered by Matthew C. Maths tutor

3286 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Show that (x + 1)(x + 3)(x + 5) can be written in the form ax^3 + bx^2 + c^x + d where a, b, c and d are positive integers.


Factorise x^2 - 8x - 20


How to do simultaneous equations?


Solve simultaneously 2x-y=2, 3x+2y=17 to calculate values of x and y.


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:

© 2026 by IXL Learning