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

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!