Mathematics
Mathematics, 19.11.2020 17:50, faith365

An electrician has $120 to spend on interior light fixtures. The wholesale price for a 13-watt low-energy lamp is $4. The price for a high-energy lamp is $5. 1. Write the algebraic 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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