The cost of electricity in a certain province is Php8.32 for each of the first 100 kWh (kilowatt-hours) and Php13.52 for each kilowatt-hour over 100 kWh. Find the number of kilowatt-hours used by a family that was billed Php2,400.00

The cost of electricity in a certain province is Php8.32 for each of the first 100 kWh (kilowatt-hours) and Php13.52 for each kilowatt-hour over 100 kWh. Find the number of kilowatt-hours used by a family that was billed Php2,400.00

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter12: Quadratic Functions

Section12.8: Joint And Combined Variation

Problem 5P

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