Mathematics, 20.07.2019 02:00 AshyCakes

An electrician has $120 to spend on interior light fixtures. the wholesale price for 13-watt low-energy lamp is $4. the price for a high-energy lamp is $5. write an expression for how much the electrician spends for a units of the low-energy lamp and b units of the high-energy lamp.

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An electrician has $120 to spend on interior light fixtures. the wholesale price for 13-watt low-ene...