Answer:
4 hours
Step-by-step explanation:
For three visits, the electrician earned $40 × 3 = $120 in "per-visit" charges. For working x hours, he earned 20x in "per-hour" charges. The total of these came to 50x:
120 +20x = 50x
120 = 30x . . . . . . . . subtract 20x
4 = x . . . . . . . . . . . . . divide by 30
The electrician worked 4 hours that day.
Answer:
59% why
Step-by-step explanation:
i just took the test my gee
Answer:
351 is the answer to how much volume a cereal box has
Answer:
117
Step-by-step explanation: 143\11=13
then multiply 13 by 9 and that equals 117
Answer:
2x +3x =7-13=4+8
Step-by-step explanation:
5x= -6= 12
