(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

4468 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Simplify the algebraic expression: (3x^2-7x-6)/(x^2-6x+9)


The equation of Line 1 is y=2x-2 and the equation of Line 2 is 2y-4x+5=0. Prove that these 2 lines are parallel to each other.


Solve the simultaneous equations; 5x + 2y = 11, 4x – 3y = 18


Express 56 as a product of its prime factors


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