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31 October, 20:22

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.

complete the table for the electrician's purchase. assume that all of the $120 is spent

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  1. 31 October, 20:39
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    Step-by-step explanation:

    the first part of the equation is 120 = ?

    low energy lamp: 13 dollars per unit

    High Energy Lamp: 14 dollars per unit

    So, 13a (a stands for "a units") and 14b (b stands for "b units) are the respective equation for the given values.

    so 13a + 14b = 120 dollars
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