An electrician charges $80 an hour for weekday repairs and $120 for nights and weekends. Last week, the electrician earned $4800

Question

jok3333 [9.3K]

3 years ago

11

An electrician charges $80 an hour for weekday repairs and $120 for nights and weekends. Last week, the electrician earned $4800

for 50 hours of work. Which system of equations can be used to find how many hours were worked on weekdays

Mathematics

2 answers:

kompoz [17] · Answer 1 · 2022-06-11T07:30:47+03:00

kompoz [17]3 years ago

5 0

Answer:

x + y = 50

80x + 120y = 4800

Vadim26 [7] · Answer 2 · 2022-06-11T06:14:30+03:00

To answer this problem, we let x be the number of hours working on weekdays and y be the number of hours working on nights and weekends. The sum of these two variables should be equal to 50. The system of linear equation that would best represent this problem is,
x + y = 50
80x + 120y = 4800