(ii) In 90 days, the gas used by a family cost $198.16 . Calculate the number of units of gas used.

total in CENTS = (n days x p per day) + (n units x p per unit)19816 = (90 X 24.5) + (y x 5.5)y = 3202 units

Answered by Maths tutor

4421 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

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


solve to 2 decimal places; (2x+3/(x-4)) - 2x-8/(2x+1) = 1


Given that x(a+bx)(a-bx)=25x-4x^3, what is the value of b^(-a)? a,b>0


Jo wants to work out the solutions of x^2 + 3x – 5 = 0. Can the solution be worked out?


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